Vulnerability · Published Mar 4, 2026 · Assigned by cisco

CVE-2026-20044Cisco Secure Firewall Management Center Command Injection Vulnerability

Medium 6.0

In plain English

A medium-severity privilege mismanagement in Cisco Secure Firewall Management Center (FMC) from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)6.0Medium
Exploit odds (30 days)0.2%top 95.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability in the lockdown mechanism of Cisco Secure Firewall Management Center (FMC) Software could allow an authenticated, local attacker to perform arbitrary commands as root. This vulnerability is due to insufficient restrictions on remediation modules while in lockdown mode. An attacker could exploit this vulnerability by sending crafted input to the system CLI of the affected device. A successful exploit could allow the attacker to run arbitrary commands or code as root, even when the system is in lockdown mode. To exploit this vulnerability, the attacker must have valid administrative credentials.

Affected products (as reported)

VendorProductVersions
Cisco Cisco Secure Firewall Management Center (FMC) 6.4.0.66.4.0.76.4.0.46.4.0.16.4.0.86.4.0.26.4.0.36.4.0.5

Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

References