CVE-2020-27253: Rockwellautomation Factorytalk Linx

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.

Affected products

• Rockwellautomation Factorytalk Linx: up to and including 6.11

Published 2020-11-26. Last modified 2026-06-17.