Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability
100Vexday Risk Score
Corrige ahora. Ella explotación observada por VulnCheck y tiene exploit funcional público.
ssvc Actcvss 10epss 75%
de la publicación al arma167 días
Publicada en NVD4 mar
1ª PoC+167d
metasploit4 mar
VulnCheck+189d
probabilidad de explotación
75%top 1% de las CVE
explotación observada
síVulnCheck
1 exploit(s) público(s)
Acción exigida por CISAplazo federal: 2026-09-12
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Productos afectados
Cisco · Cisco Secure Firewall Management Center (FMC)PoCs públicas encontradas — 1
vulncheckvulncheck.com/xdb/c53c95f7b4efno verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
Referencias
https://blog.talosintelligence.com/fmc-ongoing-exploitation/http://seclists.org/fulldisclosure/2026/Aug/80https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20079