CVE-2021-34349 Command Injection Vulnerability in QVR

High 7.2 Published 27 Sep 2021 Updated 17 Sep 2024

Remote attackers can execute arbitrary commands on QNAP QVR systems due to a command injection flaw, requiring an upgrade to patched versions.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-34349?

CVE-2021-34349 is a high-severity command injection vulnerability in QNAP Systems Inc. QVR, published on 27 Sep 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A command injection vulnerability has been reported to affect QNAP device running QVR. If exploited, this vulnerability could allow remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of QVR: QVR 5.1.5 build 20210803 and later

Weakness: CWE-77, CWE-78

Which versions are affected by CVE-2021-34349?

It affects 1 product.

Products include Qnap Qvr.

How do I fix CVE-2021-34349?

No fix has been published for CVE-2021-34349 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-2021-34349 being exploited?

There is no known exploitation of CVE-2021-34349 in the wild and no public exploit code.

Sources

Also known as GHSA-gh92-qxhf-5994.