CVE-2026-20079

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

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 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…

4. Mär 2026

Ausgewertete Quellen

• Hersteller
  https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2
• Hinweis
  http://seclists.org/fulldisclosure/2026/Aug/80
• Hinweis
  https://blog.talosintelligence.com/fmc-ongoing-exploitation/
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20079
• CISA
  Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability
• NVD
  CVE-2026-20079