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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2026-20066

Change History

Initial Analysis by NIST 8/19/2026 4:33:09 PM

Action Type Old Value New Value
Added CPE Configuration 

                  
                
              		

              
                
                  
                  
                    
OR
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.4.0:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.4.1:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.4.1.1:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.4.2:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.4.2.1:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.4.2.2:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.4.2.3:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.4.2.4:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.4.3:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.6.0:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.6.1:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.6.2:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.6.2.1:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.7.0:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.7.10:*:*:*:*:*:*:*
          *cpe:2.3:a:cisco:secure_firewall_threat_defense:7.7.10.1:*:*:*:*:*:*:*

                  
                
              		
            

            

              Added
              CPE Configuration

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
OR
          *cpe:2.3:a:cisco:snort:*:*:*:*:*:*:*:* versions from (including) 3.0.0-233 up to (excluding) 3.9.7.0

                  
                
              		
            

            

              Added
              CPE Configuration

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
OR
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.2:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.6:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.7.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.7.2:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.8.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.5a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.11.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.2:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.3:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.3a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.4:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.13.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.14.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.15.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.4:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.5:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.2.1r:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.3.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.3.2:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.3.3:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.3.4:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.3.4a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.4.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.4.1b:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.4.2:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.5.1:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.5.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.4a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.4b:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.5:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.5a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.5b:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.5c:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.5d:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.6:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.15.2a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.15.2c:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.15.3:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.15.3a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.15.4:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.15.4c:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.16.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.17.1:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.18.1:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.18.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.18.2:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.4:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.5e:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.10.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.3.5:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.3.6:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.3.7:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.3.8:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.3.8a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.3:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.3a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.6a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.7:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.8:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.8a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.1a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.2a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.3a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.4a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.5f:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.6:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.7a:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.7b:*:*:*:*:*:*:*
          *cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.9.8:*:*:*:*:*:*:*

                  
                
              		
            

            

              Added
              Reference Type

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
Cisco Systems, Inc.: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-multi-dos-XFWkWSwz Types: Vendor Advisory