CVE-2023-28361

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-11 · updated 2026-06-17
Weakness: CWE-352

Description

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.

Affected products

UniFi OS: before 3.0.13 — fixed in 3.0.13

How to fix

Upgrade to a fixed version: UniFi OS 3.0.13. Check the vendor advisory for mitigations.

References

https://community.ui.com/releases/Security-Advisory-Bulletin-030-030/f9de9e65-585f-4c66-81e9-5d8f54ba66dd
https://community.ui.com/releases/Security-Advisory-Bulletin-030-030/f9de9e65-585f-4c66-81e9-5d8f54ba66dd

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