CVE-2026-20044
MEDIUMCVSS Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Lifecycle Timeline
2Tags
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.
Analysis
Cisco Secure Firewall Management Center lockdown bypass allows authenticated local administrators to execute arbitrary commands as root by sending crafted CLI input that exploits insufficient restrictions on remediation modules. An attacker with valid admin credentials can circumvent lockdown protections to achieve full system compromise. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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