What is CVE-2023-31431?

CVE-2023-31431 is a medium-severity vulnerability in Brocade Fabric Os, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-08-01.

How severe is CVE-2023-31431?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Brocade Fabric Os

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

EPSS: 0.000 (14.8th percentile) — read the EPSS interpretation.

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.

Affected products

Brocade Fabric Os — versions before Brocade Fabric OS v9.1.1c, v9.2.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

Frequently asked questions

What is CVE-2023-31431?: CVE-2023-31431 is a medium-severity vulnerability in Brocade Fabric Os, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-08-01.
How severe is CVE-2023-31431?: Medium severity. CVSS v3 base score is 5.5 out of 10.