Ubiquiti UDM up to 4.1 Application Update channel accessible

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Ubiquiti UDM, UDM-Pro, UDM-SE, UDM-Pro-Max, UDW, UNVR, UNVR PRO, UCKP, UCK, UCK-Enterprise, UCG-Max and EFG up to 4.1. The impacted element is an unknown function of the component Application Update Handler. Performing a manipulation results in channel accessible. This vulnerability is known as CVE-2025-23091. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Ubiquiti UDM, UDM-Pro, UDM-SE, UDM-Pro-Max, UDW, UNVR, UNVR PRO, UCKP, UCK, UCK-Enterprise, UCG-Max and EFG up to 4.1. This affects some unknown functionality of the component Application Update Handler. The manipulation with an unknown input leads to a channel accessible vulnerability. CWE is classifying the issue as CWE-300. The product does not adequately verify the identity of actors at both ends of a communication channel, or does not adequately ensure the integrity of the channel, in a way that allows the channel to be accessed or influenced by an actor that is not an endpoint. This is going to have an impact on integrity. The summary by CVE is:

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.

The advisory is shared at community.ui.com. This vulnerability is uniquely identified as CVE-2025-23091 since 01/10/2025. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1557 for this issue.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at community.ui.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (hackerone): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Channel accessible
CWE: CWE-300
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: community.ui.com

Timelineinfo

01/10/2025 🔍
02/01/2025 +22 days 🔍
02/01/2025 +0 days 🔍
03/13/2025 +40 days 🔍

Sourcesinfo

Advisory: community.ui.com
Status: Confirmed

CVE: CVE-2025-23091 (🔍)
GCVE (CVE): GCVE-0-2025-23091
GCVE (VulDB): GCVE-100-294345

Entryinfo

Created: 02/01/2025 09:07
Updated: 03/13/2025 14:38
Changes: 02/01/2025 09:07 (63), 03/13/2025 14:38 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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