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CVE-2026-20131 - Cisco Secure Firewall Management Center (FMC)

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.

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AI Vulnerability ContextCISA KEVCisco

Record summary

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CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.

Vulnerability status

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CISA KEV
CVE ID
CVE-2026-20131
Vendor/project
Cisco
Product
Secure Firewall Management Center (FMC)
Vulnerability name
Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability
Date added
2026-03-19
Due date
2026-03-22
Known ransomware campaign use
Known
CWE-502

Exploit context

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No description available. The source record only contains identifiers and metadata.

Related AI techniques

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No related AI attack methods. No AI attack method is connected to this vulnerability in the current data.

Related case studies

Examples where this vulnerability is mentioned.

No related case studies. No case study currently mentions this vulnerability.

Source

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