Auth bypass in Sauter Controls Modunet300 (Ey-Am300f001, Ey-Am300f002)
CVE-2023-0052
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Sauter Controls Modunet300 (Ey-Am300f001, Ey-Am300f002) — versions Firmware all versions, BACnetstac all versions
- Sauter Controls Nova 106 (Eyk300f001) Bacnet Communication Card — versions Firmware all versions, BACnetstac all versions
- Sauter Controls Nova 220 (Eyk220f001) Ddc With Bacnet Connection — versions Firmware all versions, BACnetstac all versions
- Sauter Controls Nova 230 (Eyk230f001) Ddc With Bacnet Connection — versions Firmware all versions, BACnetstac all versions
- Sauter-Controls Modunet300 Ey-Am300f001
- Sauter-Controls Modunet300 Ey-Am300f001 Firmware
- Sauter-Controls Modunet300 Ey-Am300f002
- Sauter-Controls Modunet300 Ey-Am300f002 Firmware
- Sauter-Controls Nova 106 Eyk300f001
- Sauter-Controls Nova 106 Eyk300f001 Firmware
Weakness classification (CWE)
References
- www.cisa.gov/uscert/ics/advisories/icsa-23-012-05 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-0052?
- CVE-2023-0052 is a critical-severity vulnerability in Sauter Controls Modunet300 (Ey-Am300f001, Ey-Am300f002), classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2023-01-20.
- How severe is CVE-2023-0052?
- Critical severity. CVSS v3 base score is 9.8 out of 10.