Vulnerability Details CVE-2019-0820
                A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0980, CVE-2019-0981.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.032
                        
                    
                    
                        
                            EPSS Ranking 86.6%
                        
                    
                 
                
                    CVSS Severity
                    
                        
                            CVSS v3 Score 7.5
                        
                    
                    
                        
                            CVSS v2 Score 5.0
                        
                    
                 
                
                
                
                    
                
                
                    
                        Products affected by CVE-2019-0820
                        
                            
                                
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                                            cpe:2.3:a:microsoft:.net_core:1.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_core:1.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_core:2.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_core:2.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:2.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:3.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:3.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:3.5.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:4.5.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:4.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:4.6.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:4.6.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:4.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:4.7.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:4.7.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:microsoft:.net_framework:4.8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_10:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_10:1607
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_10:1703
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_10:1709
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_10:1803
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_10:1809
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_10:1903
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_7:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_8.1:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_rt_8.1:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_server_2008:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_server_2008:r2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_server_2012:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_server_2012:r2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_server_2016:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_server_2016:1803
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_server_2016:1903
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:microsoft:windows_server_2019:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux:8.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_eus:8.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_eus:8.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_eus:8.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_eus:8.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6