CVE-2026-20120
Cisco FTD ACL bypass vulnerability
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.
| CWE | CWE-284 |
| Vendor | cisco |
| Product | cisco secure firewall adaptive security appliance (asa) software |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Sep 16, 2026 |
Get instant alerts for cisco cisco secure firewall adaptive security appliance (asa) software
Be the first to know when new medium vulnerabilities affecting cisco cisco secure firewall adaptive security appliance (asa) software are published — delivered to Slack, Telegram or Discord.
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N