PT-2026-94024 · Cisco · Cisco Asa+2

CVE-2026-20121

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Published

2026-09-16

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Updated

2026-09-16

CVSS v3.1

5.3

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (affected versions not specified) Cisco Secure Firewall Threat Defense (FTD) Software (affected versions not specified)
Description A logic error in the access control list (ACL) Object Group Search (OGS) implementation allows an unauthenticated remote attacker to bypass configured access controls. By sending specific traffic through the device, an attacker can circumvent group access control policies (ACPs) and gain unauthorized access to devices within protected networks.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

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Weakness Enumeration

Related Identifiers

CVE-2026-20121

Affected Products

Cisco Asa
Cisco Secure Firewall Adaptive Security Appliance (Asa)
Cisco Secure Firewall Threat Defense (Ftd)