CVE-2021-27476 Rockwell Automation FactoryTalk AssetCentre OS Command Injection

Critical 10.0 Published 23 Mar 2022 Updated 16 Apr 2025

Remote unauthenticated attackers can execute arbitrary OS commands in Rockwell Automation FactoryTalk AssetCentre via the RACompare Service.

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-2021-27476?

CVE-2021-27476 is a critical command injection vulnerability in Rockwell Automation FactoryTalk AssetCentre, published on 23 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability exists in the SaveConfigFile function of the RACompare Service, which may allow for OS command injection. This vulnerability may allow a remote, unauthenticated attacker to execute arbitrary commands in Rockwell Automation FactoryTalk AssetCentre v10.00 and earlier.

Weakness: CWE-78

Which versions are affected by CVE-2021-27476?

It affects 1 product.

Products include Rockwellautomation Factorytalk Assetcentre.

How do I fix CVE-2021-27476?

No fix has been published for CVE-2021-27476 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-2021-27476 being exploited?

There is no known exploitation of CVE-2021-27476 in the wild and no public exploit code.

Sources

Also known as GHSA-jqv7-vfjc-8xpm.