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CVE-2026-20079 Cisco Cisco Secure Firewall Management Center…

A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying…

CVSS
10.0 Critical
EPSS
89%
Percentile
100
Published
2026-03-04
Force
11 of 12
Public PoC
3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE-288

On CISA’s exploited list

Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability

Added
2026-09-09
Federal patch deadline
2026-09-12
Ransomware use
not known