Skip to contentCisco Secure Firewall Threat Defense 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, 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 secure firewall threat defense (ftd) software, secure firewall threat defense +1 moreA vulnerability in of Cisco Secure Firewall Threat Defense (FTD) Software could allow an...CVE-2026-200646.5 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-2026-200256.8 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 threat defense (ftd) software, secure firewall threat defense +2 moreA vulnerability in the Cisco FXOS Software CLI feature for Cisco Secure Firewall ASA Software and...CVE-2026-200166.0 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 snort, cyber vision, secure firewall threat defense (ftd) software +3 more +5 moreMultiple Cisco Products Snort 3 TBD Denial of Service VulnerabilityCVE-2026-200685.8 Medium
- cisco snort, cyber vision, secure firewall threat defense (ftd) software +3 more +5 moreMultiple Cisco Products Snort 3 TBD Denial of Service VulnerabilityCVE-2026-200675.8 Medium
- cisco snort, secure firewall threat defense (ftd) software, utd snort ips engine software +2 more +4 moreMultiple Cisco Products Snort 3 TBD Denial of Service VulnerabilityCVE-2026-200665.8 Medium
- cisco snort, secure firewall threat defense (ftd) software, utd snort ips engine software +2 more +4 moreMultiple Cisco Products Snort 3 TBD Denial of Service VulnerabilityCVE-2026-200655.8 Medium
- cisco secure firewall threat defense, snort, secure firewall threat defense (ftd) software +2 more +4 moreCisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service VulnerabilityCVE-2026-200585.8 Medium
- cisco secure firewall threat defense, snort, cyber vision +3 more +5 moreCisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service VulnerabilityCVE-2026-200575.8 Medium
- cisco secure firewall threat defense, snort, cyber vision +3 more +5 moreCisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Infinite Loop Denial of Service VulnerabilityCVE-2026-200545.8 Medium
- cisco secure firewall threat defense, snort, cyber vision +3 more +5 moreCisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Heap Overflow Denial of Service VulnerabilityCVE-2026-200535.8 Medium
- cisco secure firewall threat defense (ftd) software, secure firewall threat defense +1 moreCisco Secure Firewall Threat Defense Software Snort 3 Memory Management Denial of Service VulnerabilityCVE-2026-200525.8 Medium
- cisco secure firewall threat defense (ftd) software, secure firewall threat defense +1 moreCisco Secure Firewall Threat Defense Decryption Policy Denial of Service VulnerabilityCVE-2026-200506.8 Medium
- cisco secure firewall threat defense (ftd) software, secure firewall threat defense +1 moreCisco Secure FTD Software Authenticated Command Injection VulnerabilityCVE-2026-200176.0 Medium
- cisco secure firewall threat defense (ftd) software, secure firewall threat defense +1 moreCisco Secure Firewall Threat Defense Software Snort Deep Inspection Bypass VulnerabilityCVE-2026-200075.8 Medium
- cisco secure firewall threat defense (ftd) software, secure firewall threat defense +1 moreCisco Firepower Threat Defense Software and Cisco FirePOWER Services TLS with Snort 3 Denial of Service VulnerabilityCVE-2026-200065.8 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 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 snort, cyber vision, secure firewall threat defense (ftd) software +3 more +5 moreMultiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that...CVE-2026-200055.8 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, secure firewall threat defense, adaptive security appliance software +1 more +3 moreA vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall...CVE-2025-202245.8 Medium
- cisco adaptive security appliance software, adaptive security appliance (asa) software, firepower threat defense software +1 more +3 moreCisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firepower 3100 and 4200 Series TLS Cipher Denial of Service VulnerabilityCVE-2025-201277.7 High
- cisco adaptive security appliance software, adaptive security appliance (asa) software, firepower threat defense software +1 more +3 moreCisco Adaptive Security Appliance Software, Firepower Threat Defense Software and IOS XE Software IKEv2 Denial of Service VulnerabilityCVE-2025-201828.6 High
- cisco firepower threat defense software, secure firewall threat defense +1 moreCisco Firepower Threat Defense Ethernet Industrial Protocol Policy Bypass VulnerabilitiesCVE-2021-347535.8 Medium
- cisco cyber vision, firepower threat defense software, utd snort ips engine software +2 more +4 moreMultiple Cisco Products Snort Modbus Denial of Service VulnerabilityCVE-2022-206857.5 High
- cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 moreA vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA)...CVE-2024-204958.6 High
- cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 moreA vulnerability in the TLS cryptography functionality of Cisco Adaptive Security Appliance (ASA)...CVE-2024-204948.6 High
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