CVE-2023-31997: UI UniFi OS

Critical severity, CVSS 9.0. EPSS: 0.3% chance of exploitation in the next 30 days.

UniFi OS 3.1 introduces a misconfiguration on consoles running UniFi Network that allows users on a local network to access MongoDB. Applicable Cloud Keys that are both (1) running UniFi OS 3.1 and (2) hosting the UniFi Network application. "Applicable Cloud Keys" include the following: Cloud Key Gen2 and Cloud Key Gen2 Plus.

Affected products

• UI UniFi OS: version 3.1 only

Published 2023-07-01. Last modified 2026-06-17.