CVE-2021-20639 Command injection in LAN-W300N/PGRB

Medium 6.8 Published Updated

An attacker with administrative privileges can execute arbitrary OS commands on the LOGITEC LAN-W300N/PGRB router.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-20639?

CVE-2021-20639 is a medium-severity command injection vulnerability in LOGITEC CORPORATION LAN-W300N/PGRB, published on 12 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute arbitrary OS commands via unspecified vectors.

Weakness: CWE-78

Which versions are affected by CVE-2021-20639?

It affects 1 product.

Products include Logitech Lan-W300n\/Pgrb Firmware.

How do I fix CVE-2021-20639?

No fix has been published for CVE-2021-20639 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-2021-20639 being exploited?

There is no known exploitation of CVE-2021-20639 in the wild and no public exploit code.

Sources

Also known as GHSA-w889-hmcf-f56m.

Is CVE-2021-20639 in your software?

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