CVE-2025-1976

MEDIUM CISA KEV

CVSS v3

6.7

MEDIUM

EPSS Score

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
4/28/2025
Patch Due Date
5/19/2025
Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Technical Details

CVSS v3 Vector
3.1
Published
4/24/2025
Last Modified
10/24/2025

Frequently Asked Questions

What is CVE-2025-1976?

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.

Is CVE-2025-1976 actively exploited?

Yes. CVE-2025-1976 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/19/2025.

What is the CVSS score for CVE-2025-1976?

CVE-2025-1976 has a CVSS v3 base score of 6.7 (MEDIUM severity), with vector string 3.1.

Is CVE-2025-1976 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

CVE-2025-1976 Vulnerability — CVSS 6.7, MEDIUM Severity | isMalicious