What’s Vulnerable › Vulnerabilities

CVE-2023-0052: SAUTER Controls Nova 200–220 Series Missing Authentication for Critical Function

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-20 · updated 2026-06-17
• Weakness: CWE-306

Description

SAUTER Controls Nova 200–220 Series with firmware version 3.3-006 and prior and BACnetstac version 4.2.1 and prior allows the execution of commands without credentials. As Telnet and file transfer protocol (FTP) are the only protocols available for device management, an unauthorized user could access the system and modify the device configuration, which could result in the unauthorized user executing unrestricted malicious commands.

Affected products

• Sauter-Controls Modunet300 Ey-Am300F001 Firmware: through 3.3-006
• Sauter-Controls Modunet300 Ey-Am300F002 Firmware: through 3.3-006
• Sauter-Controls Nova 106 Eyk300F001 Firmware: through 3.3-006
• Sauter-Controls Nova 220 Eyk220F001 Firmware: through 3.3-006
• Sauter-Controls Nova 230 Eyk230F001 Firmware: through 3.3-006

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-23-012-05
• https://www.cisa.gov/uscert/ics/advisories/icsa-23-012-05

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