CVE-2023-22334: Contec Conprosys HMI System

Medium severity, CVSS 5.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Use of password hash instead of password for authentication vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote authenticated attacker to obtain user credentials information via a man-in-the-middle attack.

Affected products

• Contec Conprosys HMI System: up to and including 3.4.5

Published 2023-01-20. Last modified 2026-06-17.