Vulnerability in Ubiquiti Inc Efg
CVE-2025-23091
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (8.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Ubiquiti Inc Efg — versions 4.1.13
- Ubiquiti Inc Ucg-Max — versions 4.1.13
- Ubiquiti Inc Uck — versions 4.1.11
- Ubiquiti Inc Uck-Enterprise — versions 4.1.11
- Ubiquiti Inc Uckp — versions 4.1.11
- Ubiquiti Inc Udm — versions 4.1.13
- Ubiquiti Inc Udm-Pro — versions 4.1.13
- Ubiquiti Inc Udm-Pro-Max — versions 4.1.13
- Ubiquiti Inc Udm-Se — versions 4.1.13
- Ubiquiti Inc Udw — versions 4.1.13
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-23091?
- CVE-2025-23091 is a medium-severity vulnerability in Ubiquiti Inc Efg, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2025-02-01.
- How severe is CVE-2025-23091?
- Medium severity. CVSS v3 base score is 5.9 out of 10.