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UNKNOWNKNOWN EXPLOITEDRANSOMWARE: KNOWN

CVE-2026-20131

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

Published
2026-03-19
Modified
2026-07-31
Sources
cisa-kev

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.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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