CVE-2026-20002: Cisco Secure Firewall Management Center

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Secure FMC Software could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. This vulnerability is due to inadequate validation of user-supplied input. An attacker could exploit this vulnerability by sending crafted requests to an affected device. A successful exploit could allow the attacker to obtain full access to the database and read certain files on the underlying operating system. To exploit this vulnerability, the attacker would need valid user credentials.

Affected products

• Cisco Secure Firewall Management Center: from 6.4.0, up to and including 6.4.0.18; from 7.0.0, up to and including 7.0.8.1; from 7.1.0, up to and including 7.1.0.3; from 7.2.0, up to and including 7.2.10.2; from 7.3.0, up to and including 7.3.1.2; from 7.4.0, up to and including 7.4.3; …

Published 2026-03-04. Last modified 2026-08-10.