SARA / Free Tools / CVE / CVE-2023-0053

CVE-2023-0053 — SAUTER Controls Nova 200–220 Series with firmware version 3

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.

CVSS
7.5 HIGH
EPSS
9.00% (top 75.30%)
CWE
CWE-319
Published
2023-03-02T00:15:49.817Z
Last modified
2025-01-16T21:55:31.611Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

01What is this vulnerability?

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.

02Affected products

VendorProductVersions
SAUTER ControlsNova 220 (EYK220F001) DDC with BACnet connectionFirmware all versions, BACnetstac all versions
SAUTER ControlsNova 230 (EYK230F001) DDC with BACnet connectionFirmware all versions, BACnetstac all versions
SAUTER ControlsNova 106 (EYK300F001) BACnet communication cardFirmware all versions, BACnetstac all versions
SAUTER ControlsmoduNet300 (EYAM300F001, EY-AM300F002) — Firmware all versions, BACnetstac all versions

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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