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CVE-2020-5801 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.tenable.com/security/research/tra-2020-71	CVE	Third Party Advisory
https://www.tenable.com/security/research/tra-2020-71	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-755	Improper Handling of Exceptional Conditions	[email protected]

Affected Products

Product	Versions
rockwellautomation factorytalk linx	<= 6.11
CPE cpe:2.3:a:rockwellautomation:factorytalk_linx:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Dec 30, 2020	Initial Analysis	[email protected]