CVEs / CVE-2025-1976
CVE-2025-1976: Broadcom Brocade Fabric OS Code Injection Vulnerability
- Known exploited in the CISA KEV catalog since 28 Apr 2025
- medium 6.7 CVSS 3.1 (NVD)
- EPSS 0.69% chance of exploitation in the next 30 days, higher than 52% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Broadcom Brocade Fabric OS contains a code injection vulnerability that allows a local user with administrative privileges to execute arbitrary code with full root privileges.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Brocade Fabric OS | Fabric OS versions 9.1.0 through 9.1.1d6 | — |
Exploitation
| In CISA KEV since | 28 Apr 2025 |
|---|---|
| Due date for US federal agencies | 19 May 2025 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 6.7 mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-94, CWE-78 |
References
- CVE-2025-1976 on NVD
- CVE-2025-1976 in the CISA KEV catalog
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25602 (cited by CISA)
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25602 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-1976 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.