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CVE-2020-6967 Deserialization in Rockwell Automation All versions of FactoryTalk Diagnostics software, a subsystem of the FactoryTalk Services Platform

Critical 9.8 Published Updated

An attacker can execute arbitrary code by sending malicious data to the FactoryTalk Diagnostics .NET Remoting endpoint.

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-2020-6967?

CVE-2020-6967 is a critical unsafe deserialization vulnerability in Rockwell Automation All versions of FactoryTalk Diagnostics software, a subsystem of the FactoryTalk Services Platform, published on 23 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Rockwell Automation all versions of FactoryTalk Diagnostics software, a subsystem of the FactoryTalk Services Platform, FactoryTalk Diagnostics exposes a .NET Remoting endpoint via RNADiagnosticsSrv.exe at TCPtcp/8082, which can insecurely deserialize untrusted data.

Weakness: CWE-502

Which versions are affected by CVE-2020-6967?

It affects 1 product.

Products include Rockwellautomation Factorytalk Services Platform.

How do I fix CVE-2020-6967?

No fix has been published for CVE-2020-6967 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-2020-6967 being exploited?

There is no known exploitation of CVE-2020-6967 in the wild and no public exploit code.

Sources

Also known as GHSA-fmpr-x9v2-r3jj.

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