CVE-2021-45836 Command injection in n/a

High 8.8 Published 25 Apr 2022 Updated 4 Aug 2024

Authenticated attackers can execute arbitrary root commands via crafted input in the hand_app endpoint of Terramaster NAS devices.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-45836?

CVE-2021-45836 is a high-severity command injection vulnerability in n/a, published on 25 Apr 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An authenticated attacker can execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by injecting a maliciously crafted input in the request through /tos/index.php?app/hand_app.

Which versions are affected by CVE-2021-45836?

It affects 1 product.

Products include Terra-Master Tos.

How do I fix CVE-2021-45836?

No fix has been published for CVE-2021-45836 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-45836 being exploited?

There is no known exploitation of CVE-2021-45836 in the wild and no public exploit code.

Sources

Also known as GHSA-g2h5-m8r4-v3h9.