CVE-2026-20131

KEV
Ransomware

Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability

Details

CISA date: 2026-03-19
Affected versions: Secure Firewall Management Center (FMC)
Summary: 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.
Remediation: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Exploit info: No exploit-tagged NVD references in our cache; see the CISA KEV link below.

View on NVD · CISA KEV catalog

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