CVE-2021-42796 Command injection in n/a

Critical 9.8 Published Updated

Unauthenticated attackers can execute arbitrary commands on AVEVA Edge HMI systems via the ExecuteCommand function.

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

What is CVE-2021-42796?

CVE-2021-42796 is a critical command injection vulnerability in n/a, published on 16 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in ExecuteCommand() in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior that allows unauthenticated arbitrary commands to be executed.

Weakness: CWE-78

Which versions are affected by CVE-2021-42796?

It affects 1 product.

Products include Aveva Edge.

How do I fix CVE-2021-42796?

No fix has been published for CVE-2021-42796 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-2021-42796 being exploited?

There is no known exploitation of CVE-2021-42796 in the wild and no public exploit code.

Sources

Also known as GHSA-w96c-3jm7-32vm.

Is CVE-2021-42796 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free