CVE-2023-31431 json
A buffer overflow vulnerability in “diagstatus” command
published 2023-08-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-35739
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
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.
Patch / fix
- broadcom brocade_fabric_operating_system 9.1.1c
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Brocade Fabric OS
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
support.broadcom.com
/external/content/SecurityAdvisories/0/22384
vendor-advisory
-
security.netapp.com
/advisory/ntap-20230908-0007/
third-party-advisory
Sources
- CVE List CVE-2023-31431
- NVD CVE-2023-31431
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