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CVE PROGRAM SOURCE RECORD7.7 High

CVE-2026-20105

A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software cou

Description

A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker with a valid VPN connection to exhaust device memory resulting in a denial of service (DoS) condition.This does not affect the management or MUS interfaces. This vulnerability is due to trusting user input without validation. An attacker could exploit this vulnerability by sending crafted packets to the Remote Access SSL VPN server. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

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

  • 9.12.1affected
  • 9.12.1.2affected
  • 9.12.1.3affected
  • 9.12.2affected
  • 9.12.2.4affected
  • 9.12.2.5affected
  • 9.12.2.9affected
  • 9.12.3affected
  • 9.12.3.2affected
  • 9.12.3.7affected
  • 9.12.4affected
  • 9.12.3.12affected
  • 9.12.3.9affected
  • 9.12.2.1affected
  • 9.12.4.2affected
  • 9.12.4.4affected
  • 9.12.4.7affected
  • 9.12.4.10affected
  • 9.12.4.13affected
  • 9.12.4.8affected
  • 9.12.4.18affected
  • 9.12.4.24affected
  • 9.12.4.26affected
  • 9.12.4.29affected
  • 9.12.4.30affected
  • 9.12.4.35affected
  • 9.12.4.37affected
  • 9.12.4.38affected
  • 9.12.4.39affected
  • 9.12.4.40affected
  • 9.12.4.41affected
  • 9.12.4.47affected
  • 9.12.4.48affected
  • 9.12.4.50affected
  • 9.12.4.52affected
  • 9.12.4.54affected
  • 9.12.4.55affected
  • 9.12.4.56affected
  • 9.12.4.58affected
  • 9.12.4.62affected
  • 9.12.4.65affected
  • 9.12.4.67affected
  • 9.16.1affected
  • 9.16.1.28affected
  • 9.16.2affected
  • 9.16.2.3affected
  • 9.16.2.7affected
  • 9.16.2.11affected
  • 9.16.2.13affected
  • 9.16.2.14affected
  • 9.16.3affected
  • 9.16.3.3affected
  • 9.16.3.14affected
  • 9.16.3.15affected
  • 9.16.3.19affected
  • 9.16.3.23affected
  • 9.16.4affected
  • 9.16.4.9affected
  • 9.16.4.14affected
  • 9.16.4.19affected
  • 9.16.4.27affected
  • 9.16.4.38affected
  • 9.16.4.39affected
  • 9.16.4.42affected
  • 9.16.4.48affected
  • 9.16.4.55affected
  • 9.16.4.57affected
  • 9.16.4.61affected
  • 9.16.4.62affected
  • 9.16.4.67affected
  • 9.16.4.70affected
  • 9.16.4.71affected
  • 9.16.4.76affected
  • 9.16.4.82affected
  • 9.16.4.84affected
  • 9.17.1affected
  • 9.17.1.7affected
  • 9.17.1.9affected
  • 9.17.1.10affected
  • 9.17.1.11affected
  • 9.17.1.13affected
  • 9.17.1.15affected
  • 9.17.1.20affected
  • 9.17.1.30affected
  • 9.17.1.33affected
  • 9.17.1.39affected
  • 9.17.1.45affected
  • 9.17.1.46affected
  • 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
  • 9.19.1affected
  • 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
  • 9.22.1.1affected
  • 9.22.1.3affected
  • 9.22.1.2affected
  • 9.22.1.6affected
  • 9.22.2affected
  • 9.23.1affected
  • 9.23.1.3affected

Cisco Cisco Secure Firewall Threat Defense (FTD) Software

  • 6.4.0affected
  • 6.4.0.1affected
  • 6.4.0.3affected
  • 6.4.0.2affected
  • 6.4.0.4affected
  • 6.4.0.5affected
  • 6.4.0.6affected
  • 6.4.0.7affected
  • 6.4.0.8affected
  • 6.4.0.9affected
  • 6.4.0.10affected
  • 6.4.0.11affected
  • 6.4.0.12affected
  • 6.4.0.13affected
  • 6.4.0.14affected
  • 6.4.0.15affected
  • 6.4.0.16affected
  • 6.4.0.17affected
  • 6.4.0.18affected
  • 7.0.0affected
  • 7.0.0.1affected
  • 7.0.1affected
  • 7.0.1.1affected
  • 7.0.2affected
  • 7.0.2.1affected
  • 7.0.3affected
  • 7.0.4affected
  • 7.0.5affected
  • 7.0.6affected
  • 7.0.6.1affected
  • 7.0.6.2affected
  • 7.0.6.3affected
  • 7.0.7affected
  • 7.0.8affected
  • 7.0.8.1affected
  • 7.1.0affected
  • 7.1.0.1affected
  • 7.1.0.2affected
  • 7.1.0.3affected
  • 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