CVE-2025-23091
MEDIUMCVSS 5.9/10EPSS 0.18%
Last modified
CVE-2025-23091 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is 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.
How severe is CVE-2025-23091?
CVE-2025-23091 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2025-23091?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-23091?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST