Cisco Asa vulnerabilities

• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +2 more +4 more Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Tunnel Denial of Service Vulnerability CVE-2026-76418 In KEV 8.6 HighOctober 28, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more CIsco FTD Bypass Access List CVE-2026-20121 5.3 MediumSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more Cisco FTD ACL bypass vulnerability CVE-2026-20120 5.8 MediumSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability CVE-2026-20248 6.8 MediumSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 more Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Comparison Vulnerabilities CVE-2026-20333 8.8 HighSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 more Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Coding Standards Vulnerabilities CVE-2026-20334 8.4 HighSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 more Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Access Control Vulnerabilities CVE-2026-20332 9.9 CriticalSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software Logging Denial of Service CVE-2026-20154 8.6 HighSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more Cisco Secure Adaptive Security Appliance Software and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability CVE-2026-20222 7.4 HighSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 more Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Resource Lifetime Management Vulnerabiliti… CVE-2026-20336 8.8 HighSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability CVE-2026-20249 8.6 HighSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 more Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Calculation Vulnerabilities CVE-2026-20335 8.1 HighSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series DTLS Denial of Service Vulnerability CVE-2026-20250 8.6 HighSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 more Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Neutralization Vulnerabilities CVE-2026-20330 9.9 CriticalSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 more Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Exceptional Conditions Handling Vulnerabil… CVE-2026-20329 Public exploit 9.9 CriticalSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 more Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Protection Mechanism Failure Vulnerabiliti… CVE-2026-20331 9.6 CriticalSeptember 16, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +2 more +4 more Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability CVE-2026-20349 In KEVPublic exploit 8.6 HighAugust 11, 2026
• cisco ios xe software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +4 more +6 more A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software,... CVE-2026-20012 8.6 HighMarch 25, 2026
• cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 more A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD... CVE-2026-20025 6.8 MediumMarch 4, 2026
• cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 more A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD... CVE-2026-20024 6.8 MediumMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more A vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance (ASA)... CVE-2026-20023 6.1 MediumMarch 4, 2026
• cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 more A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD... CVE-2026-20022 6.1 MediumMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more A vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance (ASA)... CVE-2026-20021 4.3 MediumMarch 4, 2026
• cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 more A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD... CVE-2026-20020 6.8 MediumMarch 4, 2026
• cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 more Cisco Secure Firewall Adaptive Security Appliance Software and Cisco Secure Firewall Threat Defense Software Access Control List Bypass Vulnerability CVE-2026-20073 5.8 MediumMarch 4, 2026
• cisco secure firewall threat defense (ftd) software, secure firewall threat defense, adaptive security appliance software +1 more +3 more Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software SAML Reflected Cross-Site Scripting Vulnerability CVE-2026-20102 6.1 MediumMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Cross-Site Scripting Vulnerability CVE-2026-20070 6.1 MediumMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Client-Side Request Smuggling Vulnerability CVE-2026-20069 4.3 MediumMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, adaptive security appliance software +1 more A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall... CVE-2026-20082 8.6 HighMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software A vulnerability in the CLI of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software in... CVE-2026-20062 7.2 HighMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more A vulnerability in the processing of Galois/Counter Mode (GCM)-encrypted Internet Key Exchange... CVE-2026-20049 7.7 HighMarch 4, 2026
• cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 more A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD... CVE-2026-20015 5.8 MediumMarch 4, 2026
• cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 more A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD... CVE-2026-20014 7.7 HighMarch 4, 2026
• cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 more A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD... CVE-2026-20013 5.8 MediumMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more A vulnerability in the Remote Access SSL VPN, HTTP management and MUS functionality, of Cisco... CVE-2026-20106 5.3 MediumMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive... CVE-2026-20105 7.7 HighMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive... CVE-2026-20103 8.6 HighMarch 4, 2026
• cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 more A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA... CVE-2026-20101 8.6 HighMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more A vulnerability in the LUA interperter of the Remote Access SSL VPN feature of Cisco Secure... CVE-2026-20100 7.7 HighMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Authentication Denial of Service Vulnerability CVE-2026-20039 8.6 HighMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 more Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Lua Code Injection Vulnerability CVE-2026-20008 6.0 MediumMarch 4, 2026
• cisco secure firewall adaptive security appliance (asa) software, adaptive security appliance software +1 more Cisco Secure Firewall Adaptive Security Appliance SSH Partial Private Key Authentication Bypass Vulnerability CVE-2026-20009 5.3 MediumMarch 4, 2026
• cisco firepower extensible operating system (fxos), secure firewall adaptive security appliance (asa) software, unified computing system (managed) +2 more Cisco UCS Manager and FXOS Software Command Injection Vulnerability CVE-2026-20099 6.7 MediumFebruary 25, 2026
• cisco firepower extensible operating system (fxos), secure firewall adaptive security appliance (asa) software, unified computing system (managed) +2 more Cisco UCS Manager and FXOS Software Stored Cross-Site Scripting Vulnerability CVE-2026-20091 4.8 MediumFebruary 25, 2026
• cisco adaptive security appliance (asa) software, ios xe software, ios xr software +6 more +8 more A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA)... CVE-2025-20363 9.0 CriticalSeptember 25, 2025
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +2 more +4 more A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA)... CVE-2025-20362 In KEVPublic exploit EPSS 86.7% 6.5 MediumSeptember 25, 2025
• cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +2 more +4 more A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA)... CVE-2025-20333 In KEVPublic exploit EPSS 72.0% 9.9 CriticalSeptember 25, 2025
• cisco adaptive security appliance (asa) software, firepower threat defense software +1 more A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall... CVE-2025-20254 5.8 MediumAugust 14, 2025
• cisco adaptive security appliance (asa) software, firepower threat defense software +1 more Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Buffer Overflow Denial of Service Vulnerability CVE-2025-20263 8.6 HighAugust 14, 2025
• cisco adaptive security appliance (asa) software, firepower threat defense software +1 more Cisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerability CVE-2025-20253 8.6 HighAugust 14, 2025
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