CVE-2025-1976highunder attackCWE-94

CVE-2025-1976: high-severity vulnerability in Brocade Fabric OS

Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6

Published · Updated

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

51Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 8.6epss 0.7%
from disclosure to weapon
Published on NVDApr 24
CISA KEV+4d
Action required by CISAfederal deadline: 2025-05-19

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

In short

An admin user on Brocade Fabric OS can run any code with root privileges, even though the system removed root access for regular users. This means a compromised or malicious admin account can take complete control of the system.

Technical detail

A code injection vulnerability exists in Brocade Fabric OS 9.1.0–9.1.1d6 where admin-privileged local users can bypass root access restrictions and execute arbitrary code with full root privileges. The attack requires valid admin credentials and local system access, granting unrestricted control over the affected device.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Brocade · Fabric OS