5.5

CVE-2023-31431: broadcom brocade_fabric_operating_system_firmware Classic Buffer Overflow

CVSS: 5.5v3.1MediumModified
Published 01-08-2023Last modified 13-02-2025
Open JSON

Vulnerability summary

CVE-2023-31431 is a medium (CVSS 5.5) Classic Buffer Overflow vulnerability in broadcom brocade_fabric_operating_system_firmware. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 18.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-08-2023
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.28% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Broadcom1 product
Brocade1 product

2 vendors · 2 products

References

2 links