Vulnerability Details CVE-2021-27647
                Out-of-bounds Read vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via crafted web requests.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.017
                        
                    
                    
                        
                            EPSS Ranking 81.6%
                        
                    
                 
                
                    CVSS Severity
                    
                        
                            CVSS v3 Score 9.8
                        
                    
                    
                        
                            CVSS v2 Score 7.5
                        
                    
                 
                
                
                
                    
                
                
                    
                        Products affected by CVE-2021-27647
                        
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:3.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:4.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:4.0-2259
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:4.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:4.2-3243
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:4.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:4.3-3810
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5565
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5565-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5565-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5592
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5592-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5592-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5592-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5592-4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5620
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5644
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5644-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5644-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5644-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5644-5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5644-8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5967
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5967-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5967-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5967-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5967-4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5967-5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5967-6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5967-7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5967-8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:5.2-5967-9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0-7321
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0-7321-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0-7321-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0-7321-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0-7321-5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0-7321-6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.1-7393
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.1-7393-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.1-7393-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-10
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.3-8754
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.3-8754-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.3-8754-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.3-8754-4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.0.3-8754-8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1-15047
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1-15047-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1-15047-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.1-15101
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.1-15101-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.1-15101-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.1-15101-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.1-15101-4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.2-15132
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.2-15132-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.3-15152
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.4-15217
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.4-15217-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.4-15217-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.4-15217-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.4-15217-4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.4-15217-5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.6-15266
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.7-15284
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.7-15284-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.7-15284-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.1.7-15284-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2-23739
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2-23739-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2-23739-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2.1-23824
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2.2-24922
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:synology:diskstation_manager:6.2.3-25426-2