CVE-2021-31505 Hardcoded credentials in Q Plus
Attackers with physical access can exploit hard-coded SSH credentials in a special boot mode to execute arbitrary code as root.
- 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-2021-31505?
CVE-2021-31505 is a medium-severity vulnerability in Arlo Q Plus, published on 29 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This vulnerability allows attackers with physical access to escalate privileges on affected installations of Arlo Q Plus 1.9.0.3_278. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SSH service. The device can be booted into a special operation mode where hard-coded credentials are accepted for SSH authentication. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-12890.
Weakness: CWE-798
Which versions are affected by CVE-2021-31505?
It affects 1 product.
Products include Arlo Q Plus Firmware.
How do I fix CVE-2021-31505?
No fix has been published for CVE-2021-31505 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-31505 being exploited?
There is no known exploitation of CVE-2021-31505 in the wild and no public exploit code.
Sources
Also known as GHSA-49rv-vwhv-6vcw.