CVE-2023-0053

SAUTER Controls Nova 200–220 Series Cleartext Transmission of Sensitive Information

Published Mar 2, 2023 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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.



Remediation

Vendor Workaround

SAUTER Controls has stated that this product line is no longer supported, as it was discontinued in 2016. SAUTER Controls recommends users take all necessary measures to protect the integrity of building automation network access, using all appropriate means and policies to minimize risks. Sauter Controls recommends users evaluate and upgrade legacy systems to current solutions where necessary.   Affected users should contact SAUTER Controls https://www.sauter-controls.com/  for instructions on upgrading legacy systems.

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2023-12156 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}