How severe is CVE-2025-1976?

CVE-2025-1976 has a CVSS 4.0 base score of 8.6 (HIGH). EPSS estimates a 0.7% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2025-1976: Code injection exposure in Fabric OS 9.1.0 through

CISA Known Exploited Vulnerabilities

Broadcom Brocade Fabric OS Code Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-04-28

Remediation due

2025-05-19

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.

CISA notes
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25602 ; https://nvd.nist.gov/vuln/detail/CVE-2025-1976

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.

Severity

CVSS 4.0 · CNA8.6 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Brocade	Fabric OS	Fabric OS versions 9.1.0 through 9.1.1d6

References

1 Links

Other references

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25602

Record Details

Published

2025-04-24

Last updated

2026-02-26

Assigner (CNA)

brocade

Credited to

Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-94 · Code Injection

Application Security Tools Penetration Testing Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.