CVE-2026-20044

Published Mar 4, 2026

Last updated 17 days ago

Overview

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.
Source
psirt@cisco.com
NVD status
Analyzed
Products
secure_firewall_management_center

Risk scores

CVSS 3.1

Type
Secondary
Base score
6
Impact score
5.2
Exploitability score
0.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Severity
MEDIUM

Weaknesses

psirt@cisco.com
CWE-269

Social media

Hype score
Not currently trending

Configurations