CVE-2022-31801: Phoenixcontact Multiprog

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

An unauthenticated, remote attacker could upload malicious logic to the devices based on ProConOS/ProConOS eCLR in order to gain full control over the device.

Affected products

• Phoenixcontact Multiprog: any version
• Phoenixcontact Proconos: any version
• Phoenixcontact-Software Proconos Eclr: affected versions not specified

Published 2022-06-21. Last modified 2026-06-17.