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.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_confirm
https://www.tenable.com/security/research/tra-2020-71
Scores
CVSS v3
7.5
EPSS
0.0131
EPSS Percentile
80.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-755
Status
published
Products (1)
rockwellautomation/factorytalk_linx
< 6.11
Published
Dec 29, 2020
Tracked Since
Feb 18, 2026