CVE-2025-23091

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
EPSS 0.02%
Affected: Ubiquiti Inc UDM
Affected: Ubiquiti Inc UDM-Pro
Affected: Ubiquiti Inc UDM-SE
Affected: Ubiquiti Inc UDM-Pro-Max
Affected: Ubiquiti Inc UDW
Affected: Ubiquiti Inc UNVR
Affected: Ubiquiti Inc UNVR PRO
Affected: Ubiquiti Inc UCKP
Affected: Ubiquiti Inc UCK
Affected: Ubiquiti Inc UCK-Enterprise
Affected: Ubiquiti Inc UCG-Max
Affected: Ubiquiti Inc EFG
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2025-23091?
CVE-2025-23091 has been scored as a medium severity vulnerability.
How to fix CVE-2025-23091?
To fix CVE-2025-23091, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-23091 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-23091 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-23091?
CVE-2025-23091 affects 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.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.