PT-2025-4821 · Ubiquiti · Unifi Os

Published 2025-02-01 · Updated 2025-03-02 · CVE-2025-23091

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions UniFi OS (affected versions not specified)

Description An issue with improper certificate validation on UniFi OS devices, specifically those with Identity Enterprise configured, could allow a malicious actor to execute a man-in-the-middle (MitM) attack during application updates. This could potentially compromise the security of the device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2025-23091

Affected Products

Unifi Os

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-23091 · Security Note
• https://twitter.com/CVEnew/status/1885587196486222249 · Twitter Post
• https://t.me/cvenotify/109591 · Telegram Post
• https://community.ui.com/releases/Security-Advisory-Bulletin-045-045/6011bc61-f2eb-457f-b71d-755703817aaf · Note
• https://twitter.com/taqtics_ai/status/1896000800289067169 · Twitter Post
• https://t.me/cvedetector/17014 · Telegram Post