CVE-2023-0053

HIGH 7.5CVE-2023-0053 · Published 02/03/2023 · updated 17/06/2026

In short

CVE-2023-0053 is a HIGH (CVSS 7.5) vulnerability affecting bacnetstac (sauter-controls).
Chance of exploitation in the next 30 days (EPSS): 0.39%, higher than 32.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
bacnetstac sauter-controls	`≤ 4.2.1`	No fix yet

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.

References

cisa.gov/uscert/ics/advisories/icsa-23-012-05 · Third Party Advisory

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