5.4

CVE-2023-29240: f5 big-iq Incorrect Authorization

CVSS: 5.4v3.1MediumAnalyzed
Published 03-05-2023Last modified 18-09-2025
Open JSON

Vulnerability summary

CVE-2023-29240 is a medium (CVSS 5.4) Incorrect Authorization vulnerability in f5 big-iq. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.40%
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. 03-05-2023
    PublishedVulnerability first disclosed.
  2. 18-09-2025
    Last modifiedVulnerability information updated.

Description

An authenticated attacker granted a Viewer or Auditor role on a BIG-IQ can upload arbitrary files using an undisclosed iControl REST endpoint.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

0.00 pp

From 0.40% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.40%

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

F52 products

1 vendor · 2 products

References

1 links