01 Record
CVE-2023-0052
SAUTER Controls Nova 200–220 Series Missing Authentication for Critical Function
CriticalPUBLISHEDCNA: icscert
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
SAUTER Controls Nova 200–220 Series Missing Authentication for Critical Function
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.71% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 53.0% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-01-20 21:23Z3 YR AGO
- Last updated
- 2025-01-16 21:59Z1 YR AGO
- Reserved
- 2023-01-04
- Assigning CNA
- icscert
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-306Missing Authentication for Critical FunctionBase
- Data version
- 5.1
- Document digest
- e3ba0e31f1ecd22037e911474256e450c773417e2f704a0a757114a1721e343d
05 Affected products
VendorProductVersionsPlatforms
SAUTER ControlsNova 220 (EYK220F001) DDC with BACnet connectionFirmware all versions to 3.3-006, BACnetstac all versions to 4.2.1—
SAUTER ControlsNova 230 (EYK230F001) DDC with BACnet connectionFirmware all versions to 3.3-006, BACnetstac all versions to 4.2.1—
SAUTER ControlsNova 106 (EYK300F001) BACnet communication cardFirmware all versions to 3.3-006, BACnetstac all versions to 4.2.1—
SAUTER ControlsmoduNet300 (EY-AM300F001, EY-AM300F002)Firmware all versions to 3.3-006, BACnetstac all versions to 4.2.1—