Fabric Operating System
CVE-2025-1976
HIGH
Severity by source
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
Brocade Fabric OS versions starting with 9.1.0 have root access removed, however, a local user with admin privilege can potentially execute arbitrary code with full root privileges on Fabric OS versions 9.1.0 through 9.1.1d6.
AnalysisAI
Brocade Fabric OS 9.1.0 through 9.1.1d6 contains a code injection vulnerability that allows local admin users to execute arbitrary code with root privileges despite root access being removed.
Technical ContextAI
The CWE-94 code injection allows admin-level users to inject and execute code with full root privileges. While Fabric OS 9.1.0+ removed root shell access as a security hardening measure, this vulnerability bypasses that restriction.
RemediationAI
Upgrade Fabric OS. Restrict admin access to SAN switches. Monitor for firmware modifications and unusual configuration changes.
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Same weakness CWE-94 – Code Injection
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External POC / Exploit Code
Leaving vuln.today