Vulnerability Details CVE-2023-36851
                A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity.
With a specific request to 
webauth_operation.php
that doesn't require authentication, an attacker is able to upload and download arbitrary files via J-Web, leading to a loss of 
integrity or confidentiality, which may allow chaining to other vulnerabilities.
This issue affects Juniper Networks Junos OS on SRX Series:
  *  
21.2 versions prior to 21.2R3-S8;
  *  21.4 
versions prior to 
21.4R3-S6;
  *  22.1 
versions prior to 
22.1R3-S5;
  *  22.2 
versions prior to 
22.2R3-S3;
  *  22.3 
versions prior to 
22.3R3-S2;
  *  22.4 versions prior to 22,4R2-S2, 22.4R3;
  *  23.2 versions prior to 
23.2R1-S2, 23.2R2.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.153
                        
                    
                    
                        
                            EPSS Ranking 94.4%
                        
                    
                 
                
                    CVSS Severity
                    
                        
                            CVSS v3 Score 5.3
                        
                    
                    
                 
                
                    
                        Proposed Action
                        Juniper Junos OS on SRX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to webauth_operation.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.
                     
                
                
                    
                        Ransomware Campaign
                        Unknown
                     
                
                
                    
                
                
                    
                        Products affected by CVE-2023-36851
                        
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2200-c:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2200-vc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2200:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2300-24mp:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2300-24p:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2300-24t:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2300-48mp:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2300-48p:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2300-48t:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2300-c:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2300:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex2300m:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex3200:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex3300-vc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex3300:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex3400:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4200-vc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4200:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-24p-s:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-24p:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-24t-s:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-24t:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-32f-dc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-32f-s:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-32f:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48mp-s:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48mp:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48p-s:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48p:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48t-afi:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48t-dc-afi:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48t-dc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48t-s:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48t:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48tafi:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48tdc-afi:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-48tdc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-mp:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300-vc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4300m:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4400:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4500-vc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4500:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4550-vc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4550/vc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4550:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4600-vc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4600:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex4650:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex6200:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex6210:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex8200-vc:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex8200:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex8208:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex8216:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex9200:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex9204:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex9208:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex9214:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex9250:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex9251:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:ex9253:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx100:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx110:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx1400:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx1500:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx210:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx220:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx240:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx240h2:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx240m:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx300:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx320:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx3400:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx340:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx345:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx3600:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx380:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx4000:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx4100:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx4200:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx4600:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx5000:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx5400:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx550:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx550_hm:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx550m:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx5600:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx5800:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:h:juniper:srx650:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:o:juniper:junos:21.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:o:juniper:junos:21.4
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:o:juniper:junos:22.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:o:juniper:junos:22.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:o:juniper:junos:22.3
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:o:juniper:junos:22.4
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:o:juniper:junos:23.2