CVE-2025-23091 — MEDIUM (5.9)

Vulnerability 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 Score

5.9

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-295

References

https://community.ui.com/releases/Security-Advisory-Bulletin-045-045/6011bc61-f2

FAQ

What is CVE-2025-23091?

CVE-2025-23091 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-23091?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.