What is the CVSS score of CVE-2023-0053?

CVE-2023-0053 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.4%.

Nova 220 Eyk220F001 Firmware CVE-2023-0053

HIGH

Cleartext Transmission of Sensitive Information (CWE-319)

2023-03-02 ics-cert@hq.dhs.gov

Information Disclosure Nova 220 Eyk220F001 Firmware Nova 230 Eyk230F001 Firmware Nova 106 Eyk300F001 Firmware Modunet300 Ey Am300F001 Firmware Modunet300 Ey Am300F002 Firmware Bacnetstac

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Mar 02, 2023 - 01:15 nvd

HIGH 7.5

DescriptionNVD

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.

AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-319. 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. Affected products include: Sauter-Controls Nova 220 Eyk220F001 Firmware, Sauter-Controls Nova 230 Eyk230F001 Firmware, Sauter-Controls Nova 106 Eyk300F001 Firmware, Sauter-Controls Modunet300 Ey-Am300F001 Firmware, Sauter-Controls Modunet300 Ey-Am300F002 Firmware. Version information: version 3.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.