CVE-2026-20121

CIsco FTD Bypass Access List

State
Published
Severity
5.3 Medium
Published
Sep 16, 2026
Updated
Sep 18, 2026
Reserved
Oct 8, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:Ccisco

Weaknesses

Affected Products

ProductVersions
Cisco Secure Firewall Adaptive Security Appliance (ASA) SoftwareCisco
  • 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 Secure Firewall Threat Defense (FTD) SoftwareCisco
  • 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

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