CVE-2025-52665

moderate-risk
Published 2025-10-31

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.

Do I need to act?

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10.4% chance of exploitation in next 30 days
EPSS score — higher than 90% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
10
CVSS 10.0/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Ui

References (1)

Vendor Advisory https://community.ui.com/releases/Security-Advisory-Bulletin-056/ce97352d-91cd-4...
49
/ 100
moderate-risk
Severity 33/34 · Critical
Exploitability 11/34 · Low
Exposure 5/34 · Minimal