CVE-2020-5806: Rockwellautomation Factorytalk Linx

Medium severity, CVSS 5.5. EPSS: 4.8% chance of exploitation in the next 30 days.

An attacker-controlled memory allocation size can be passed to the C++ new operator in the CServerManager::HandleBrowseLoadIconStreamRequest in messaging.dll. This can be done by sending a specially crafted message to 127.0.0.1:7153. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.

Affected products

• Rockwellautomation Factorytalk Linx: up to and including 6.11

Published 2020-12-29. Last modified 2026-06-17.