Medium severity · published Feb 1, 2025
CVE-2025-23091
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…
5.9
CVSS
0.2%
EPSS
No
On KEV
Description
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 vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EF
EFG · Ubiquiti Inc
4.1.13 before 4.1.13 · source: vendor
UC
UCG-Max · Ubiquiti Inc
4.1.13 before 4.1.13 · source: vendor
UC
UCK · Ubiquiti Inc
4.1.11 before 4.1.11 · source: vendor
UC
UCK-Enterprise · Ubiquiti Inc
4.1.11 before 4.1.11 · source: vendor
UC
UCKP · Ubiquiti Inc
4.1.11 before 4.1.11 · source: vendor
UD
UDM · Ubiquiti Inc
4.1.13 before 4.1.13 · source: vendor
UD
UDM-Pro · Ubiquiti Inc
4.1.13 before 4.1.13 · source: vendor
UD
UDM-Pro-Max · Ubiquiti Inc
4.1.13 before 4.1.13 · source: vendor
UD
UDM-SE · Ubiquiti Inc
4.1.13 before 4.1.13 · source: vendor
UD
UDW · Ubiquiti Inc
4.1.13 before 4.1.13 · source: vendor
UN
UNVR · Ubiquiti Inc
4.1.11 before 4.1.11 · source: vendor
UP
UNVR PRO · Ubiquiti Inc
4.1.11 before 4.1.11 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-23091
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-23091
community.ui.com
https://community.ui.com/releases/Security-Advisory-Bulletin-045-045/6011bc61-f2eb-457f-b71d-755703817aaf
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