Description
A malicious actor with access to the management network could exploit a misconfiguration in UniFi’s door access application, UniFi Access, that exposed a management API without proper authentication. This vulnerability was introduced in Version 3.3.22 and was fixed in Version 4.0.21 and later. Affected Products: UniFi Access Application (Version 3.3.22 through 3.4.31). Mitigation: Update your UniFi Access Application to Version 4.0.21 or later.
Affected products
ui: unifi access
References1
- community.ui.com/releases/Security-Advisory-Bulletin-056/ce9735… Vendor Advisory
Metrics
- CVSS 3.1
-
10.0
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - EPSS — exploit probability
- 41% percentile: 99 · as of 10 November 2026
- CWE
- CWE-306
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