CVE-2026-20131
CISA KEV RANSOMWARE
ACT NOW
Priority: 0.00
BB Relevance:
9/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
Description
Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management contain a deserialization of untrusted data vulnerability in the web-based management interface that could allow an unauthenticated, remote attacker to execute arbitrary Java code as root on an affected device.
CISA Known Exploited Vulnerability
Vendor / Product
Cisco — Secure Firewall Management Center (FMC)
Date Added
2026-03-19
Remediation Due
2026-03-22
Ransomware Use
CONFIRMED
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-rce-NKhnULJh ; https://nvd.nist.gov/vuln/detail/CVE-2026-20131