Ubiquiti UniFi OS up to 2.5 Key cross-site request forgery

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Ubiquiti UniFi OS up to 2.5. This affects an unknown function of the component Key Handler. The manipulation results in cross-site request forgery. This vulnerability is reported as CVE-2023-28361. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Ubiquiti UniFi OS up to 2.5. Affected is an unknown functionality of the component Key Handler. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. CWE is classifying the issue as CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. This is going to have an impact on integrity. CVE summarizes:

A Cross-site WebSocket Hijacking (CSWSH) vulnerability found in UniFi OS 2.5 and earlier allows a malicious actor to access certain confidential information by persuading a UniFi OS user to visit a malicious webpage.Affected Products:Cloud Key Gen2Cloud Key Gen2 PlusUNVRUNVR ProfessionalUDMUDM ProfessionalUDM SEUDRMitigation:Update affected products to UniFi OS 3.0.13 or later.

The weakness was disclosed 05/12/2023. The advisory is shared for download at community.ui.com. This vulnerability is traded as CVE-2023-28361 since 03/15/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.0.13 eliminates this vulnerability. The upgrade is hosted for download at community.ui.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-32059). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: UniFi OS 3.0.13

Timelineinfo

03/15/2023 🔍
05/12/2023 +57 days 🔍
05/12/2023 +0 days 🔍
12/06/2025 +939 days 🔍

Sourcesinfo

Advisory: community.ui.com
Status: Confirmed

CVE: CVE-2023-28361 (🔍)
GCVE (CVE): GCVE-0-2023-28361
GCVE (VulDB): GCVE-100-228852
EUVD: 🔍

Entryinfo

Created: 05/12/2023 07:28
Updated: 12/06/2025 03:14
Changes: 05/12/2023 07:28 (41), 06/08/2023 01:25 (11), 01/27/2025 18:40 (26), 04/26/2025 19:45 (3), 12/06/2025 03:14 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!