VULNERABILITY INTELLIGENCE

CVE-2020-5801

CVSS score7.5 HIGH
EPSS probability29.66%
CISA KEVNot currently listed
Published2020-12-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-755: Improper Handling of Exceptional Conditions

Primary references