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CVE PROGRAM SOURCE RECORD7.7 High

CVE-2026-20014

A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, remote attacker with valid VPN user credentia

Description

A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, remote attacker with valid VPN user credentials to cause a DoS condition on an affected device that may also impact the availability of services to devices elsewhere in the network. This vulnerability is due to the improper processing of IKEv2 packets. An attacker could exploit this vulnerability by sending crafted, authenticated IKEv2 packets to an affected device. A successful exploit could allow the attacker to exhaust memory, causing the device to reload.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software

  • 9.18.1affected
  • 9.18.1.3affected
  • 9.18.2affected
  • 9.18.2.5affected
  • 9.18.2.7affected
  • 9.18.2.8affected
  • 9.18.3affected
  • 9.18.3.39affected
  • 9.18.3.46affected
  • 9.18.3.53affected
  • 9.18.3.55affected
  • 9.18.3.56affected
  • 9.18.4affected
  • 9.18.4.5affected
  • 9.18.4.8affected
  • 9.18.4.22affected
  • 9.18.4.24affected
  • 9.18.4.29affected
  • 9.18.4.34affected
  • 9.18.4.40affected
  • 9.18.4.47affected
  • 9.18.4.50affected
  • 9.18.4.52affected
  • 9.18.4.53affected
  • 9.18.4.57affected
  • 9.18.4.66affected
  • 9.18.4.67affected
  • 9.18.4.68affected
  • 9.19.1affected
  • 9.19.1.5affected
  • 9.19.1.9affected
  • 9.19.1.12affected
  • 9.19.1.18affected
  • 9.19.1.22affected
  • 9.19.1.24affected
  • 9.19.1.27affected
  • 9.19.1.28affected
  • 9.19.1.31affected
  • 9.19.1.37affected
  • 9.19.1.38affected
  • 9.19.1.42affected
  • 9.20.1affected
  • 9.20.1.5affected
  • 9.20.2affected
  • 9.20.2.10affected
  • 9.20.2.21affected
  • 9.20.2.22affected
  • 9.20.3affected
  • 9.20.3.4affected
  • 9.20.3.7affected
  • 9.20.3.9affected
  • 9.20.3.10affected
  • 9.20.3.13affected
  • 9.20.3.16affected
  • 9.20.3.20affected
  • 9.20.4affected
  • 9.20.4.7affected
  • 9.22.1.1affected
  • 9.22.1.3affected
  • 9.22.1.2affected
  • 9.22.1.6affected
  • 9.22.2affected
  • 9.22.2.4affected
  • 9.22.2.9affected
  • 9.23.1affected
  • 9.23.1.3affected
  • 9.23.1.7affected
  • 9.23.1.13affected

Cisco Cisco Secure Firewall Threat Defense (FTD) Software

  • 7.2.0affected
  • 7.2.0.1affected
  • 7.2.1affected
  • 7.2.2affected
  • 7.2.3affected
  • 7.2.4affected
  • 7.2.4.1affected
  • 7.2.5affected
  • 7.2.5.1affected
  • 7.2.6affected
  • 7.2.7affected
  • 7.2.5.2affected
  • 7.2.8affected
  • 7.2.8.1affected
  • 7.2.9affected
  • 7.2.10affected
  • 7.2.10.2affected
  • 7.3.0affected
  • 7.3.1affected
  • 7.3.1.1affected
  • 7.3.1.2affected
  • 7.4.0affected
  • 7.4.1affected
  • 7.4.1.1affected
  • 7.4.2affected
  • 7.4.2.1affected
  • 7.4.2.2affected
  • 7.4.2.3affected
  • 7.4.2.4affected
  • 7.6.0affected
  • 7.6.1affected
  • 7.6.2affected
  • 7.6.2.1affected
  • 7.7.0affected
  • 7.7.10affected
  • 7.7.10.1affected

References