CVE-2020-5801

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

Rockwell FactoryTalk Linx

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

29.66% chance of exploitation in the next 30 days, 98th percentile

Published

2020-12-29

Updated

2024-08-04

Exploit collections (1)

• RockwellAutomation/FactoryTalk/rockwell_ftlinx_double_OpenNamespace_dos.pytenable/poc

Security advisories

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

References

• CVE Record
• NVD entry