Improper Certificate Validation on UniFi OS Devices by Ubiquiti
CVE-2025-23091
5.9MEDIUM
What is CVE-2025-23091?
An improper certificate validation vulnerability in UniFi OS devices configured with Identity Enterprise can lead to a potential man-in-the-middle (MitM) attack during application updates. This flaw allows malicious actors to intercept communications, posing significant risks to the integrity and confidentiality of data transmitted during the update process.
Affected Version(s)
EFG 4.1.13
UCG-Max 4.1.13
UCK 4.1.11