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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-20121

CIsco FTD Bypass Access List

Description

A vulnerability in the access control list (ACL) Object Group Search (OGS) implementation of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured access controls. This vulnerability is due to a logic error in populating group access control policies (ACPs) with OGS configured. An attacker could exploit this vulnerability by sending traffic that should be blocked through the device. A successful exploit could allow the attacker to bypass access controls and reach devices in protected networks.

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

Default version status: unknown

  • 9.23.1affected
  • 9.22.1.1affected
  • 9.22.1.3affected
  • 9.22.1.2affected
  • 9.22.1.6affected
  • 9.22.2affected
  • 9.23.1.3affected
  • 9.22.2.4affected
  • 9.23.1.7affected
  • 9.22.2.9affected
  • 9.23.1.13affected
  • 9.22.2.13affected
  • 9.23.1.19affected
  • 9.22.2.14affected
  • 9.23.1.22affected
  • 9.22.2.20affected

Cisco Cisco Secure Firewall Threat Defense (FTD) Software

Default version status: unknown

  • 7.6.0affected
  • 7.7.0affected
  • 7.6.1affected
  • 7.6.2affected
  • 7.7.10affected
  • 7.7.11affected
  • 7.6.2.1affected
  • 7.7.10.1affected

References