Skip to contentCisco Adaptive Security Appliance (asa) vulnerabilities
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +2 more +4 moreCisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Tunnel Denial of Service VulnerabilityCVE-2026-76418In KEV8.6 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 moreCIsco FTD Bypass Access ListCVE-2026-201215.3 Medium
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 moreCisco FTD ACL bypass vulnerabilityCVE-2026-201205.8 Medium
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 moreCisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service VulnerabilityCVE-2026-202486.8 Medium
- cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 moreCisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Comparison VulnerabilitiesCVE-2026-203338.8 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 moreCisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Coding Standards VulnerabilitiesCVE-2026-203348.4 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 moreCisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Access Control VulnerabilitiesCVE-2026-203329.9 Critical
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 moreCisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software Logging Denial of ServiceCVE-2026-201548.6 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 moreCisco Secure Adaptive Security Appliance Software and Secure Firewall Threat Defense Software EIGRP Denial of Service VulnerabilityCVE-2026-202227.4 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 moreCisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Resource Lifetime Management Vulnerabiliti…CVE-2026-203368.8 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 moreCisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service VulnerabilityCVE-2026-202498.6 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 moreCisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Calculation VulnerabilitiesCVE-2026-203358.1 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 moreCisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series DTLS Denial of Service VulnerabilityCVE-2026-202508.6 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 moreCisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Neutralization VulnerabilitiesCVE-2026-203309.9 Critical
- cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 moreCisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Exceptional Conditions Handling Vulnerabil…CVE-2026-20329Public exploit9.9 Critical
- cisco secure firewall adaptive security appliance (asa) software, secure firewall management center (fmc), secure firewall threat defense (ftd) software +2 moreCisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Protection Mechanism Failure Vulnerabiliti…CVE-2026-203319.6 Critical
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +2 more +4 moreCisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service VulnerabilityCVE-2026-20349In KEVPublic exploit8.6 High
- cisco ios xe software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +4 more +6 moreA vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software,...CVE-2026-200128.6 High
- cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 moreA vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD...CVE-2026-200256.8 Medium
- cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 moreA vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD...CVE-2026-200246.8 Medium
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreA vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance (ASA)...CVE-2026-200236.1 Medium
- cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 moreA vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD...CVE-2026-200226.1 Medium
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreA vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance (ASA)...CVE-2026-200214.3 Medium
- cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 moreA vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD...CVE-2026-200206.8 Medium
- cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 moreCisco Secure Firewall Adaptive Security Appliance Software and Cisco Secure Firewall Threat Defense Software Access Control List Bypass VulnerabilityCVE-2026-200735.8 Medium
- cisco secure firewall threat defense (ftd) software, secure firewall threat defense, adaptive security appliance software +1 more +3 moreCisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software SAML Reflected Cross-Site Scripting VulnerabilityCVE-2026-201026.1 Medium
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreCisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Cross-Site Scripting VulnerabilityCVE-2026-200706.1 Medium
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreCisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Client-Side Request Smuggling VulnerabilityCVE-2026-200694.3 Medium
- cisco secure firewall adaptive security appliance (asa) software, adaptive security appliance software +1 moreA vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall...CVE-2026-200828.6 High
- cisco secure firewall adaptive security appliance (asa) softwareA vulnerability in the CLI of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software in...CVE-2026-200627.2 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreA vulnerability in the processing of Galois/Counter Mode (GCM)-encrypted Internet Key Exchange...CVE-2026-200497.7 High
- cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 moreA vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD...CVE-2026-200155.8 Medium
- cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 moreA vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD...CVE-2026-200147.7 High
- cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 moreA vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD...CVE-2026-200135.8 Medium
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreA vulnerability in the Remote Access SSL VPN, HTTP management and MUS functionality, of Cisco...CVE-2026-201065.3 Medium
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreA vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive...CVE-2026-201057.7 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreA vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive...CVE-2026-201038.6 High
- cisco adaptive security appliance software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +1 more +3 moreA vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA...CVE-2026-201018.6 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreA vulnerability in the LUA interperter of the Remote Access SSL VPN feature of Cisco Secure...CVE-2026-201007.7 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreCisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Authentication Denial of Service VulnerabilityCVE-2026-200398.6 High
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +1 more +3 moreCisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Lua Code Injection VulnerabilityCVE-2026-200086.0 Medium
- cisco secure firewall adaptive security appliance (asa) software, adaptive security appliance software +1 moreCisco Secure Firewall Adaptive Security Appliance SSH Partial Private Key Authentication Bypass VulnerabilityCVE-2026-200095.3 Medium
- cisco firepower extensible operating system (fxos), secure firewall adaptive security appliance (asa) software, unified computing system (managed) +2 moreCisco UCS Manager and FXOS Software Command Injection VulnerabilityCVE-2026-200996.7 Medium
- cisco firepower extensible operating system (fxos), secure firewall adaptive security appliance (asa) software, unified computing system (managed) +2 moreCisco UCS Manager and FXOS Software Stored Cross-Site Scripting VulnerabilityCVE-2026-200914.8 Medium
- cisco adaptive security appliance (asa) software, ios xe software, ios xr software +6 more +8 moreA vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA)...CVE-2025-203639.0 Critical
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +2 more +4 moreA vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA)...CVE-2025-20362In KEVPublic exploitEPSS 86.7%6.5 Medium
- cisco secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software, secure firewall threat defense +2 more +4 moreA vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA)...CVE-2025-20333In KEVPublic exploitEPSS 72.0%9.9 Critical
- cisco adaptive security appliance (asa) software, firepower threat defense software +1 moreA vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall...CVE-2025-202545.8 Medium
- cisco adaptive security appliance (asa) software, firepower threat defense software +1 moreCisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Buffer Overflow Denial of Service VulnerabilityCVE-2025-202638.6 High
- cisco adaptive security appliance (asa) software, firepower threat defense software +1 moreCisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service VulnerabilityCVE-2025-202538.6 High
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