VulnerabilityAnalyzed

CVE-2025-1976

Broadcom Brocade Fabric OS Code Injection Vulnerability

KEVHIGH 8.6EPSS 0.69%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 19 May 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

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.

CVSS 4.0: 8.6 HIGHCVSS: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/M
EPSS: 0.69% probability · 51th percentile
CISA KEV: Listed 28 April 2025 · due 19 May 2025
Weakness: CWE-94, CWE-78
Affected: broadcom/fabric operating system
Source: sirt@brocade.com

CISA notes

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25602 ; https://nvd.nist.gov/vuln/detail/CVE-2025-1976

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25602Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-1976US Government Resource

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.