CVE-2020-10642: Rockwellautomation Rslinx Classic

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In Rockwell Automation RSLinx Classic versions 4.11.00 and prior, an authenticated local attacker could modify a registry key, which could lead to the execution of malicious code using system privileges when opening RSLinx Classic.

Affected products

• Rockwellautomation Rslinx Classic: up to and including 4.11.00

Published 2020-04-13. Last modified 2026-06-17.