CVE-2020-5801: High severity rockwellautomation Factorytalk Linx vulnerability

Published Dec 29, 2020
·
Updated

An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.

Affected Software

1 affected component
rockwellautomation Factorytalk Linx<=6.11

Event History

Dec 29, 2020
CVE Published
via MITRE·03:15 PM
Data Sourced
via MITRE·03:15 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2020-5801?

CVE-2020-5801 is a vulnerability that allows an attacker to trigger an unhandled exception in the RnaDaSvr.dll component of FactoryTalk Linx 6.11, resulting in process termination.

2

What is the severity of CVE-2020-5801?

CVE-2020-5801 has a severity score of 7.5 (high).

3

How does CVE-2020-5801 affect FactoryTalk Linx?

CVE-2020-5801 affects all versions of FactoryTalk Linx, with the observed impact in version 6.11.

4

How can an attacker exploit CVE-2020-5801?

An attacker can exploit CVE-2020-5801 by crafting and sending an OpenNamespace message to port 4241 with a valid session ID.

5

Is there a fix available for CVE-2020-5801?

Currently, there is no known fix available for CVE-2020-5801. It is recommended to apply security patches or updates from the vendor when they become available.

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