CVE-2025-23091 json
An Improper Certificate Validation on UniFi OS devices, with Identity Enterprise configured, could allow a malicious actor to execute a man…
published 2025-02-01 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-3119
- cvss
- 5.9
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 10%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ui unifi_os_server 4.1.11, 4.1.13
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- Ubiquiti Inc UDM
- Ubiquiti Inc UDM-Pro
- Ubiquiti Inc UDM-SE
- Ubiquiti Inc UDM-Pro-Max
- Ubiquiti Inc UDW
- Ubiquiti Inc UNVR
- Ubiquiti Inc UNVR PRO
- Ubiquiti Inc UCKP
- Ubiquiti Inc UCK
- Ubiquiti Inc UCK-Enterprise
- Ubiquiti Inc UCG-Max
- Ubiquiti Inc EFG
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
Sources
- CVE List CVE-2025-23091
- NVD CVE-2025-23091
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.