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CVE-2020-5801

HIGH

7.5

CVSS Score

Published: December 29, 2020 at 03:15 PM UTC

Updated: June 17, 2026 at 03:22 AM UTC

1 product affected across 1 vendorFactoryTalk Linx

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Severity

HIGH7.5

Exploit prediction

EPSS 30%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FactoryTalk Linx · Rockwell Automation

95%

v ≤ 6.11All versions of FactoryTalk Linx

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://www.tenable.com/security/research/tra-2020-71

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-755

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