CVE-2025-23091

mediumpriority · track · 0EPSS 0.002 · 10 %ileDEEU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 5.9 · medium

Is it mine?

16 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

An Improper Certificate Validation on UniFi OS devices, with Identity Enterprise configured, could allow a malicious actor to execute a man-in-the-middle (MitM) attack during application update.

cvss

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

5.9

010

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

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · ENISA EU

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · support@hackerone.comexploitability 2.2 · impact 3.6

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295US

affected products (16)

Products and version ranges known to be affected.

Ubiquiti UniFi <4.1.11all versionscert_bundDE
Ubiquiti UniFi <4.1.13all versionscert_bundDE
Ubiquiti UniFi< 4.1.11cert_bundDE
Ubiquiti UniFi< 4.1.13cert_bundDE
Ubiquiti Inc EFG4.1.13 → 4.1.13enisa_euvdEU
Ubiquiti Inc UCG-Max4.1.13 → 4.1.13enisa_euvdEU
Ubiquiti Inc UCK4.1.11 → 4.1.11enisa_euvdEU
Ubiquiti Inc UCK-Enterprise4.1.11 → 4.1.11enisa_euvdEU
Ubiquiti Inc UCKP4.1.11 → 4.1.11enisa_euvdEU
Ubiquiti Inc UDM4.1.13 → 4.1.13enisa_euvdEU
Ubiquiti Inc UDM-Pro4.1.13 → 4.1.13enisa_euvdEU
Ubiquiti Inc UDM-Pro-Max4.1.13 → 4.1.13enisa_euvdEU
Ubiquiti Inc UDM-SE4.1.13 → 4.1.13enisa_euvdEU
Ubiquiti Inc UDW4.1.13 → 4.1.13enisa_euvdEU
Ubiquiti Inc UNVR4.1.11 → 4.1.11enisa_euvdEU
Ubiquiti Inc UNVR PRO4.1.11 → 4.1.11enisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0180Ubiquiti UniFi: Schwachstelle ermöglicht Umgehung von SicherheitsmechanismenDeutsch2025-01-22csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Ubiquiti UniFi ausnutzen, um Sicherheitsmechanismen zu umgehen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2025-02-01modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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