CVE-2026-21633

HIGH

UI Unifi Protect < 6.2.72 - Authentication Bypass

Title source: rule

Description

A malicious actor with access to the adjacent network could obtain unauthorized access to a UniFi Protect Camera by exploiting a discovery protocol vulnerability in the Unifi Protect Application (Version 6.1.79 and earlier). Affected Products: UniFi Protect Application (Version 6.1.79 and earlier). Mitigation: Update your UniFi Protect Application to Version 6.2.72 or later.

References (1)

[Vendor Advisory] https://community.ui.com/releases/Security-Advisory-Bulletin-058-058/6922ff20-8cd7-4724-8d8c-676458a2d0f9

Scores

CVSS v3 8.8

EPSS 0.0005

EPSS Percentile 13.8%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-287

Status published

Affected Products (1)

ui/unifi_protect < 6.2.72

Timeline

Published Jan 05, 2026

Tracked Since Feb 18, 2026