UniFi Cloud Key firmware <= v1.1.10 for Cloud Key gen2 and Cloud Key gen2 Plus contains a vulnerability that allows unrestricted root access through the serial interface (UART).
https://community.ui.com/releases/UniFi-Cloud-Key-Firmware-1-1-11/a24e55e1-6d90-46d7-92e2-01539ec8c79d
https://community.ui.com/releases/Security-advisory-bulletin-008-008/5f66ca4c-10d6-4ca5-9620-37d5a4f22413
Source: Mitre, NVD
Published: 2020-05-02
Updated: 2024-11-21
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 6.8
Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Medium