Ubiquiti
CVE-2025-23091
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V12 - Secure Communication Certificate validation
|
| Impact | CVSS score of 5.9 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.14%. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAIv1 – Mar 28, 2026
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. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affected ProductsAI
See vendor advisory for affected versions.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified under CWE-295. 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.
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Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
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.
Executive ViewAI
CVE-2025-23091 presents moderate security risk rated CVSS 5.9. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Unauthenticated command injection in Ubiquiti UniFi OS devices allows remote attackers with network access to execute ar
Path traversal in Ubiquiti UniFi OS devices allows network-adjacent attackers to read sensitive files from the underlyin
Unauthorized system modification on Ubiquiti UniFi OS devices allows network-adjacent attackers to alter device configur
Unauthenticated access to the UniFi Access management API in application versions 3.3.22 through 3.4.31 allows anyone wh
Buffer overflow in the ubnt-streamer RTSP service on the Ubiquiti UBNT AirCam with airVision firmware before 1.1.6 allow
A critical path traversal vulnerability exists in the UniFi Network Application that allows unauthenticated remote attac
A vulnerability has been found in Ubiquiti EdgeRouter X 2.0.9-hotfix.6 and classified as critical. Rated critical severi
Ubiquiti Networks UniFi Dream Machine Pro v7.2.95 allows attackers to bypass domain restrictions via crafted packets. Ra
Ubiquiti Networks UniFi 5.2.7 does not restrict access to the database, which allows remote attackers to modify the data
A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.5
A weakness has been identified in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. Rated high severity (CVSS 7.3), this vulne
A security flaw has been discovered in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. Rated high severity (CVSS 7.3), this
GitHub PoC
Exploit-DB