Cisco Adaptive Security Appliance Software 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, 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 threat defense (ftd) software, secure firewall threat defense +2 more A vulnerability in the Cisco FXOS Software CLI feature for Cisco Secure Firewall ASA Software and... CVE-2026-20016 6.0 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, 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 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, secure firewall threat defense, adaptive security appliance software +1 more +3 more A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall... CVE-2025-20224 5.8 MediumAugust 14, 2025
• cisco adaptive security appliance software, adaptive security appliance (asa) software, firepower threat defense software +1 more +3 more Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firepower 3100 and 4200 Series TLS Cipher Denial of Service Vulnerability CVE-2025-20127 7.7 HighAugust 14, 2025
• cisco adaptive security appliance software, adaptive security appliance (asa) software, firepower threat defense software +1 more +3 more Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software and IOS XE Software IKEv2 Denial of Service Vulnerability CVE-2025-20182 8.6 HighMay 7, 2025
• cisco adaptive security appliance, adaptive security appliance software, adaptive security appliance (asa) software +2 more Cisco Adaptive Security Appliance Software SSL/TLS Denial of Service Vulnerability CVE-2020-27124 8.6 HighNovember 18, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software +1 more A vulnerability in the SSH server of Cisco Adaptive Security Appliance (ASA) Software could allow... CVE-2024-20526 5.3 MediumOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 more A vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA)... CVE-2024-20495 8.6 HighOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 more A vulnerability in the TLS cryptography functionality of Cisco Adaptive Security Appliance (ASA)... CVE-2024-20494 8.6 HighOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 more A vulnerability in the login authentication functionality of the Remote Access SSL VPN feature of... CVE-2024-20493 5.3 MediumOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 more A vulnerability in the VPN web server of Cisco Adaptive Security Appliance (ASA) Software and... CVE-2024-20485 6.0 MediumOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance (asa) and firepower threat defense (ftd), adaptive security appliance software +2 more +4 more A vulnerability in the Remote Access VPN (RAVPN) service of Cisco Adaptive Security Appliance ... CVE-2024-20481 In KEV EPSS 15.9% 5.8 MediumOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 more A vulnerability in the Internet Key Exchange version 2 (IKEv2) protocol for VPN termination of... CVE-2024-20426 8.6 HighOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 more A vulnerability in the Dynamic Access Policies (DAP) feature of Cisco Adaptive Security Appliance... CVE-2024-20408 7.7 HighOctober 23, 2024
• cisco adaptive security appliance, adaptive security appliance (asa) software, adaptive security appliance software +2 more +4 more A vulnerability in the SSL VPN feature for Cisco Adaptive Security Appliance (ASA) Software and... CVE-2024-20402 8.6 HighOctober 23, 2024
• cisco adaptive security appliance, adaptive security appliance (asa) software, adaptive security appliance software +2 more +4 more A vulnerability in the Network Service Group (NSG) feature of Cisco Adaptive Security Appliance ... CVE-2024-20384 5.8 MediumOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 more A vulnerability in the VPN web client services feature of Cisco Adaptive Security Appliance (ASA)... CVE-2024-20382 6.1 MediumOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +2 more A vulnerability in the Cisco FXOS CLI feature on specific hardware platforms for Cisco Adaptive... CVE-2024-20370 6.0 MediumOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 more Cisco Adaptive Security Appliance WebVPN Cross-Site Scripting Vulnerability CVE-2024-20341 6.1 MediumOctober 23, 2024
• cisco adaptive security appliance (asa) software, firepower threat defense software, adaptive security appliance software +1 more +3 more Cisco Adaptive Security Appliance and Firepower Threat Defense Software VPN Authentication DoS Vulnerability CVE-2024-20331 6.8 MediumOctober 23, 2024
• cisco adaptive security appliance software, adaptive security appliance (asa) software +1 more Cisco Adaptive Security Appliance Software Remote Command Injection Vulnerability CVE-2024-20329 9.9 CriticalOctober 23, 2024
• cisco adaptive security appliance (asa) software, adaptive security appliance software, firepower threat defense software +1 more +3 more Cisco Adaptive Security Appliance and Firepower Threat Defense AnyConnect Access Control List Bypass Vulnerability CVE-2024-20299 5.8 MediumOctober 23, 2024
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