CVE-2020-12499: Phoenixcontact Plcnext Engineer

High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days.

In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files.

Affected products

• Phoenixcontact Plcnext Engineer: up to and including 2020-3-1

Published 2020-07-21. Last modified 2026-06-17.