Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability
Critical Listed in 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.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- Cisco:Secure Firewall Management Center (FMC)
Sources
- CISA KEV DATABASE
Original Links
- https://nvd.nist.gov/vuln/detail/CVE-2026-20131 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-rce-NKhnULJh reference
Timeline
- kev_added CISA KEV
- kev_ingest CISA KEV