CVE-2021-27460 Rockwell Automation FactoryTalk AssetCentre Deserialization of Untrusted Data

Critical 10.0 Published 23 Mar 2022 Updated 16 Apr 2025

Remote unauthenticated attackers can exploit .NET remoting endpoints to execute arbitrary code and gain full control of the server and agents.

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-2021-27460?

CVE-2021-27460 is a critical unsafe deserialization 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

Rockwell Automation FactoryTalk AssetCentre v10.00 and earlier components contain .NET remoting endpoints that deserialize untrusted data without sufficiently verifying that the resulting data will be valid. This vulnerability may allow a remote, unauthenticated attacker to gain full access to the FactoryTalk AssetCentre main server and all agent machines.

Weakness: CWE-502

Which versions are affected by CVE-2021-27460?

It affects 1 product.

Products include Rockwellautomation Factorytalk Assetcentre.

How do I fix CVE-2021-27460?

No fix has been published for CVE-2021-27460 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2021-27460 being exploited?

There is no known exploitation of CVE-2021-27460 in the wild and no public exploit code.

Sources

Also known as GHSA-v749-5446-q4q4.