SAUTER Controls Nova 200–220 Series Missing Authentication for Critical Function
Priority MEDIUM 50CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0074 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SAUTER Controls | Nova 220 (EYK220F001) DDC with BACnet connection | Firmware all versions – 3.3-006; BACnetstac all versions – 4.2.1 | — | No fix listed | CNA |
| SAUTER Controls | Nova 230 (EYK230F001) DDC with BACnet connection | Firmware all versions – 3.3-006; BACnetstac all versions – 4.2.1 | — | No fix listed | CNA |
| SAUTER Controls | Nova 106 (EYK300F001) BACnet communication card | Firmware all versions – 3.3-006; BACnetstac all versions – 4.2.1 | — | No fix listed | CNA |
| SAUTER Controls | moduNet300 (EY-AM300F001, EY-AM300F002) | Firmware all versions – 3.3-006; BACnetstac all versions – 4.2.1 | — | No fix listed | CNA |
- Nova 220 (EYK220F001) DDC with BACnet connection VendorSAUTER Controls Affected Firmware all versions – 3.3-006; BACnetstac all versions – 4.2.1 Fixed in — No fix listed CNA
- Nova 230 (EYK230F001) DDC with BACnet connection VendorSAUTER Controls Affected Firmware all versions – 3.3-006; BACnetstac all versions – 4.2.1 Fixed in — No fix listed CNA
- Nova 106 (EYK300F001) BACnet communication card VendorSAUTER Controls Affected Firmware all versions – 3.3-006; BACnetstac all versions – 4.2.1 Fixed in — No fix listed CNA
- moduNet300 (EY-AM300F001, EY-AM300F002) VendorSAUTER Controls Affected Firmware all versions – 3.3-006; BACnetstac all versions – 4.2.1 Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sauter-controls:nova_220_eyk220f001_firmware:*:*:*:*:*:*:*:* | up to 3.3-006 | Vulnerable | SAUTER Controls |
| cpe:2.3:h:sauter-controls:nova_220_eyk220f001:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SAUTER Controls |
| cpe:2.3:o:sauter-controls:nova_230_eyk230f001_firmware:*:*:*:*:*:*:*:* | up to 3.3-006 | Vulnerable | SAUTER Controls |
| cpe:2.3:h:sauter-controls:nova_230_eyk230f001:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SAUTER Controls |
| cpe:2.3:o:sauter-controls:nova_106_eyk300f001_firmware:*:*:*:*:*:*:*:* | up to 3.3-006 | Vulnerable | SAUTER Controls |
| cpe:2.3:h:sauter-controls:nova_106_eyk300f001:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SAUTER Controls |
| cpe:2.3:o:sauter-controls:modunet300_ey-am300f001_firmware:*:*:*:*:*:*:*:* | up to 3.3-006 | Vulnerable | SAUTER Controls |
| cpe:2.3:h:sauter-controls:modunet300_ey-am300f001:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SAUTER Controls |
| cpe:2.3:o:sauter-controls:modunet300_ey-am300f002_firmware:*:*:*:*:*:*:*:* | up to 3.3-006 | Vulnerable | SAUTER Controls |
| cpe:2.3:h:sauter-controls:modunet300_ey-am300f002:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SAUTER Controls |
- cpe:2.3:o:sauter-controls:nova_220_eyk220f001_firmware:*:*:*:*:*:*:*:* Versions up to 3.3-006 Vulnerable ·SAUTER Controls
- cpe:2.3:h:sauter-controls:nova_220_eyk220f001:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SAUTER Controls
- cpe:2.3:o:sauter-controls:nova_230_eyk230f001_firmware:*:*:*:*:*:*:*:* Versions up to 3.3-006 Vulnerable ·SAUTER Controls
- cpe:2.3:h:sauter-controls:nova_230_eyk230f001:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SAUTER Controls
- cpe:2.3:o:sauter-controls:nova_106_eyk300f001_firmware:*:*:*:*:*:*:*:* Versions up to 3.3-006 Vulnerable ·SAUTER Controls
- cpe:2.3:h:sauter-controls:nova_106_eyk300f001:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SAUTER Controls
- cpe:2.3:o:sauter-controls:modunet300_ey-am300f001_firmware:*:*:*:*:*:*:*:* Versions up to 3.3-006 Vulnerable ·SAUTER Controls
- cpe:2.3:h:sauter-controls:modunet300_ey-am300f001:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SAUTER Controls
- cpe:2.3:o:sauter-controls:modunet300_ey-am300f002_firmware:*:*:*:*:*:*:*:* Versions up to 3.3-006 Vulnerable ·SAUTER Controls
- cpe:2.3:h:sauter-controls:modunet300_ey-am300f002:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SAUTER Controls
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-0052
- 2026-10-03 Alias added: GHSA-fr44-f297-ppg9
References
More SAUTER Controls Modunet300 Ey-am300f001 Firmware vulnerabilities
- TI-2023-00049 SAUTER Controls Nova 200–220 Series Cleartext Transmission of Sensitive Information CVSS 3.1HIGH 7.5
Sources
- CVE-2023-0052 · CVE Program
- CVE-2023-0052 · NVD
- FIRST EPSS
- GHSA-fr44-f297-ppg9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences