CVE-2025-52665

criticalpriority · track · 14OT risk · elevatedEPSS 0.411 · 99 %ileDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

41.1% (99th) EPSS

CVSS 10 · critical

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.110criticalAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 6

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USCWE-306US

affected products (5)

Products and version ranges known to be affected.

Ubiquiti UniFi Access Application <4.0.21all versionscert_bundDE
Ubiquiti UniFi≤ Access Application <4.0.21cert_bundDE
Ubiquiti Inc UniFi Access Application≤ 3.3.22 ≤3.4.31enisa_euvdEU
Ubiquiti Networks UniFi Access≤ 4.0.21fstec_bduRU
ui unifi access3.3.22 → 4.0.21nvdUScpe:2.3:a:ui:unifi_access:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2403Ubiquiti UniFi: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2025-10-23csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Ubiquiti UniFi ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2025-10-31modified 2026-10-18

references (4)

External citations — patches, advisories, analysis.

scry

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