CVE-2020-8157 Auth bypass in UniFi Cloud Key Gen2, Cloud Key Gen2 plus
Attackers with physical access can gain unrestricted root privileges via the serial interface on UniFi Cloud Key devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8157?
CVE-2020-8157 is a medium-severity authentication bypass vulnerability in UniFi Cloud Key Gen2, Cloud Key Gen2 plus, published on 2 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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).
Weakness: CWE-284
Which versions are affected by CVE-2020-8157?
It affects 2 products.
Products include Ui Unifi Cloud Key Gen2 Firmware, Ui Unifi Cloud Key Gen2 Plus Firmware.
How do I fix CVE-2020-8157?
No fix has been published for CVE-2020-8157 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-8157 being exploited?
There is no known exploitation of CVE-2020-8157 in the wild and no public exploit code.
Sources
Also known as GHSA-3qh5-7339-m5xf.