by Kastro
Paper/Archive/CVE-2023-0052

CVE-2023-0052

SAUTER Controls Nova 220 (EYK220F001) DDC with BACnet connection — SAUTER Controls Nova 200–220 Series Missing Authentication for Critical Function

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 54.6.546 × 2010.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Nova 220 (EYK220F001) DDC with BACnet connectionFirmware all versions – 3.3-006–CNA
Nova 220 (EYK220F001) DDC with BACnet connectionBACnetstac all versions – 4.2.1–CNA
Nova 230 (EYK230F001) DDC with BACnet connectionFirmware all versions – 3.3-006–CNA
Nova 230 (EYK230F001) DDC with BACnet connectionBACnetstac all versions – 4.2.1–CNA
Nova 106 (EYK300F001) BACnet communication cardFirmware all versions – 3.3-006–CNA
Nova 106 (EYK300F001) BACnet communication cardBACnetstac all versions – 4.2.1–CNA
moduNet300 (EY-AM300F001, EY-AM300F002)Firmware all versions – 3.3-006–CNA
moduNet300 (EY-AM300F001, EY-AM300F002)BACnetstac all versions – 4.2.1–CNA

Scores by source

icscert (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcisa.gov/uscert/ics/advisories/icsa-23-012-05