What’s Vulnerable › Vulnerabilities

CVE-2023-0053: SAUTER Controls Nova 200–220 Series Cleartext Transmission of Sensitive Information

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-02 · updated 2026-06-17
• Weakness: CWE-319

Description

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: through 4.2.1
• 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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