CVE-2023-5592: Phoenixcontact Multiprog

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Download of Code Without Integrity Check vulnerability in PHOENIX CONTACT MULTIPROG, PHOENIX CONTACT ProConOS eCLR (SDK) allows an unauthenticated remote attacker to download and execute applications without integrity checks on the device which may result in a complete loss of integrity.

Affected products

• Phoenixcontact Multiprog: any version
• Phoenixcontact Proconos Eclr: any version

Published 2023-12-14. Last modified 2026-06-17.