CVE-2021-20017 Command injection in SMA100

High 8.8 Published Updated

Authenticated attackers can execute arbitrary OS commands on SonicWall SMA100 devices, potentially compromising the appliance.

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-2021-20017?

CVE-2021-20017 is a high-severity command injection vulnerability in SonicWall SMA100, published on 13 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A post-authenticated command injection vulnerability in SonicWall SMA100 allows an authenticated attacker to execute OS commands as a 'nobody' user. This vulnerability impacts SMA100 version 10.2.0.5 and earlier.

Weakness: CWE-78

Which versions are affected by CVE-2021-20017?

It affects 1 product.

Products include Sonicwall Sma100 Firmware.

How do I fix CVE-2021-20017?

No fix has been published for CVE-2021-20017 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-2021-20017 being exploited?

There is no known exploitation of CVE-2021-20017 in the wild and no public exploit code.

Sources

Also known as GHSA-q863-p6pj-6qfj.

Is CVE-2021-20017 in your software?

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