Buffer overflow in Brocade Fabric OS
Priority LOW 25CWE-120Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
A buffer overflow vulnerability in “diagstatus” command in Brocade Fabric OS before Brocade Fabric v9.2.0 and v9.1.1c could allow an authenticated user to crash the Brocade Fabric OS switch leading to a denial of service.
Why it matters now
EPSS 0.00276 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Brocade | Fabric OS | before Brocade Fabric OS v9.1.1c, v9.2.0 | — | No fix listed | CNA |
- Fabric OS VendorBrocade Affected before Brocade Fabric OS v9.1.1c, v9.2.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-31431
- 2026-10-03 Alias added: GHSA-fqh6-rrfj-3w82
References
More Brocade vulnerabilities
- TI-2025-01721 Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6 KEVCVSS 4.0HIGH 8.6
- TI-2016-06760 Path traversal in Brocade Network Advisor versions released prior to and including 14.0.2 CVSS 3.0CRITICAL 9.8
- TI-2024-19729 hard-coded credentials in the documentation that appear as the appliance root password CVSS 3.1CRITICAL 9.8
- TI-2016-06762 Path traversal in Brocade Network Advisor versions released prior to and including 14.0.2 CVSS 3.0HIGH 7.5
- TI-2018-04739 OS command injection in Brocade Network Advisor CVSS 3.0CRITICAL 9.8
- TI-2016-06761 Path traversal in Brocade Network Advisor versions released prior to and including 14.0.2 CVSS 3.0HIGH 7.5
Sources
- CVE-2023-31431 · CVE Program
- CVE-2023-31431 · NVD
- FIRST EPSS
- GHSA-fqh6-rrfj-3w82 · GitHub Advisory Database · CC BY 4.0
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