cisco-sa-asaftd-ikev2cert-dos-uWyc2xtvHighCVSS 8.6

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability

Published
September 16, 2026
Last Modified
September 16, 2026

🔗 CVE IDs covered (1)

CVE-2026-20249 →

📋 Description

🎯 Affected products189

  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.13
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.14
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.3
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.14
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.15
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.19
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.23
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.9
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.14
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.18
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.19
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.27
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.38
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.39
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.42
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.48
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.55
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.57
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.61
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.62
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.67
  • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.70
  • +159 more not shown

🔗 References (2)