Buffer overflow in Broadcom Brocade Fabric Operating System
CVE-2023-31431
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (19.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Broadcom Brocade Fabric Operating System — versions 9.2.0
- Brocade Fabric OS — versions before Brocade Fabric OS v9.1.1c, v9.2.0
Weakness classification (CWE)
References
- support.broadcom.com/external/content/SecurityAdvisories/0/22384 (Vendor Advisory)
- security.netapp.com/advisory/ntap-20230908-0007/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-31431?
- CVE-2023-31431 is a medium-severity vulnerability in Broadcom Brocade Fabric Operating System, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-08-02.
- How severe is CVE-2023-31431?
- Medium severity. CVSS v3 base score is 5.5 out of 10.