5.9

CVE-2025-23091: ubiquiti inc efg Improper Certificate Validation

CVSS: 5.9v3.0MediumDeferred
Published 01-02-2025Last modified 13-03-2025
Open JSON

Vulnerability summary

CVE-2025-23091 is a medium (CVSS 5.9) Improper Certificate Validation vulnerability in ubiquiti inc efg. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.2% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.0 (CVE.org)
EPSS score
0.20%
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. 01-02-2025
    PublishedVulnerability first disclosed.
  2. 13-03-2025
    Last modifiedVulnerability information updated.

Description

An Improper Certificate Validation on UniFi OS devices, with Identity Enterprise configured, could allow a malicious actor to execute a man-in-the-middle (MitM) attack during application update.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

0.00 pp

From 0.20% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.20%

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

Ubiquiti inc12 products

1 vendor · 12 products

References

1 links