CVE-2021-21874 Command injection in Lantronix

Critical 9.1 Published Updated

An authenticated attacker can execute arbitrary commands on Lantronix devices via a crafted HTTP request.

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-2021-21874?

CVE-2021-21874 is a critical command injection vulnerability in Lantronix, published on 22 Dec 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A specially-crafted HTTP request can lead to arbitrary command execution in DSA keypasswd parameter. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Weakness: CWE-78

Which versions are affected by CVE-2021-21874?

It affects 1 product.

Products include Lantronix Premierwave 2050 Firmware.

How do I fix CVE-2021-21874?

No fix has been published for CVE-2021-21874 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-2021-21874 being exploited?

There is no known exploitation of CVE-2021-21874 in the wild and no public exploit code.

Sources

Also known as GHSA-g8hx-765h-vxcc.

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