What’s Vulnerable › Vulnerabilities
CVE-2026-20120: Cisco FTD ACL bypass vulnerability
- Severity: medium (CVSS 5.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-16 · updated 2026-09-18
- Weakness: CWE-284
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
- Cisco ASA Software: 9.23.1, 9.22.1.1, 9.22.1.3, 9.22.1.2, 9.22.1.6, 9.22.2 (+10)
- Cisco Firepower Threat Defense Software: 7.6.0, 7.7.0, 7.6.1, 7.6.2, 7.7.10, 7.7.11 (+2)
In the news
References
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