CVE-2021-42324 Command injection in n/a

High 7.4 Published Updated

Low-privileged authenticated attackers with physical access can execute root commands via shell metacharacters in the capture command parameters.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-42324?

CVE-2021-42324 is a high-severity command injection vulnerability in n/a, published on 5 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered on DCN (Digital China Networks) S4600-10P-SI devices before R0241.0470. Due to improper parameter validation in the console interface, it is possible for a low-privileged authenticated attacker to escape the sandbox environment and execute system commands as root via shell metacharacters in the capture command parameters. Command output will be shown on the Serial interface of the device. Exploitation requires both credentials and physical access.

Weakness: CWE-78

Which versions are affected by CVE-2021-42324?

It affects 1 product.

Products include Dcnglobal S4600-10p-Si Firmware.

How do I fix CVE-2021-42324?

No fix has been published for CVE-2021-42324 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-2021-42324 being exploited?

There is no known exploitation of CVE-2021-42324 in the wild and no public exploit code.

Sources

Also known as GHSA-qjqv-pjh5-jmcf.

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