CVE-2023-0052

Name: CVE-2023-0052
Creator: NVD / NIST
Published: 2023-01-20T22:15:10.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2023-0052 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. . EPSS estimates a 0.71% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.71%

48.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sauter-Controls	Nova 220 Eyk220f001 Firmware	<= 3.3-006
Sauter-Controls	Nova 230 Eyk230f001 Firmware	<= 3.3-006
Sauter-Controls	Nova 106 Eyk300f001 Firmware	<= 3.3-006
Sauter-Controls	Modunet300 Ey-Am300f001 Firmware	<= 3.3-006
Sauter-Controls	Modunet300 Ey-Am300f002 Firmware	<= 3.3-006

References

https://www.cisa.gov/uscert/ics/advisories/icsa-23-012-05Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-23-012-05Third Party Advisory, US Government Resource

Timeline

Published: Jan 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0052?

How severe is CVE-2023-0052?

CVE-2023-0052 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0052?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-0052?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST