Skip to content
COOEY

FAIL › dossier

Secure Firewall Management Center (FMC)

PRODUCT

· dossier confidence 0%

Cisco's Secure Firewall Management Center (FMC) shipped with critical vulnerabilities in 2026, including hardcoded passwords and remote code execution via deserialization, indicating a severe lack of secure development practices.

Failure events
2
Zero-days
0
RCEs
1
On KEV
2
Critical
1
Worst shame
85
PROFILE
CategorycybersecurityWhat they doSecure Firewall Management Center (FMC) is a Cisco product for managing firewall policies and security operations.
SECURITY POSTURE

The FMC product has a critical security track record with high-severity vulnerabilities shipped in 2026, including hardcoded credentials and remote code execution via deserialization.

Notable failures
  • CVE-2026-20316 hardcoded password allowing unauthenticated remote login
  • CVE-2026-20131 critical RCE via deserialization of untrusted data
Patterns: unpatched edge-device RCEs; hardcoded credentials in shipped software
FAILURE HISTORY · 2
DATEEVENTSEVSUMMARY
2026-07-29 CVE-2026-20316 high Cisco FMC shipped with a hardcoded password allowing unauthenticated remote login to sensitive data.
2026-03-19 CVE-2026-20131 critical Cisco FMC and SCC allow unauthenticated remote attackers to execute arbitrary Java code as root via deserialization of untrusted data.
DOSSIER SOURCES
Open questions: What is the exact release date of the vulnerable FMC versions? · How many customers were affected by CVE-2026-20316 and CVE-2026-20131?
DOSSIER · dex-RAG synthesis · grounded in our own collection + trusted sourcesbuilt 2026-08-27 04:09:05.276864+00:00