CVE-2019-12871: Phoenixcontact Automationworx Software Suite

High severity, CVSS 8.8. EPSS: 3.7% chance of exploitation in the next 30 days.

An issue was discovered in PHOENIX CONTACT PC Worx through 1.86, PC Worx Express through 1.86, and Config+ through 1.86. A manipulated PC Worx or Config+ project file could lead to a Use-After-Free and remote code execution. The attacker needs to get access to an original PC Worx or Config+ project file to be able to manipulate it. After manipulation, the attacker needs to exchange the original file with the manipulated one on the application programming workstation.

Affected products

• Phoenixcontact Automationworx Software Suite: up to and including 1.86

Published 2019-06-24. Last modified 2026-06-17.