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Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability

Cisco Secure Firewall Management Center (FMC) · CVE-2026-20079
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What is it?

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 operating system.  This vulnerability is due to an improper system process that is created at boot time. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute a variety of scripts and commands that allow root access to the device. 

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
10.0
EPSS
88.5%
First seen
4 h ago
Status
confirmed

All Cisco vulnerabilities