GCVE-110-NCSC-2026-76

Advisory PublishedCVSS 10.0/10

Vulnetix · Advisory published March 4, 2026

Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management contain an authentication bypass vulnerability allowing unauthenticated remote attackers to execute scripts and gain root access via improper system process creation at boot.

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Weaknesses (CWE)

CWE-288Authentication Bypass Using an Alternate Path or ChannelCWE-502Deserialization of Untrusted Data

Risk Scores

CVSS 3.1

10.0/10

Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
Cisco	vers:unknown/*	—	—

Aliases

CVE-2026-20079 CVE-2026-20131

References

advisory

exploit

advisory

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