CVE-2023-0053: Sauter-Controls Bacnetstac

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

SAUTER Controls Nova 200–220 Series with firmware version 3.3-006 and prior and BACnetstac version 4.2.1 and prior have only FTP and Telnet available for device management. Any sensitive information communicated through these protocols, such as credentials, is sent in cleartext. An attacker could obtain sensitive information such as user credentials to gain access to the system.

Affected products

• Sauter-Controls Bacnetstac: up to and including 4.2.1
• Sauter-Controls MODUNET300 Ey-AM300F001 Firmware: up to and including 3.3-006
• Sauter-Controls MODUNET300 Ey-AM300F002 Firmware: up to and including 3.3-006
• Sauter-Controls Nova 106 EYK300F001 Firmware: up to and including 3.3-006
• Sauter-Controls Nova 220 EYK220F001 Firmware: up to and including 3.3-006
• Sauter-Controls Nova 230 EYK230F001 Firmware: up to and including 3.3-006

Published 2023-03-02. Last modified 2026-06-17.