What is the CVSS score of CVE-2023-49958?

CVE-2023-49958 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:N/I:H/A:N. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2023-49958?

Yes, a public proof-of-concept exploit is available for CVE-2023-49958. Prioritise patching immediately. EPSS: 0.6%.

Open Charge Point Protocol CVE-2023-49958

HIGH

Improper Input Validation (CWE-20)

2023-12-07 cve@mitre.org

Information Disclosure Open Charge Point Protocol

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:N/I:H/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:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Dec 07, 2023 - 13:15 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered in Dalmann OCPP.Core through 1.2.0 for OCPP (Open Charge Point Protocol) for electric vehicles. The server processes mishandle StartTransaction messages containing additional, arbitrary properties, or duplicate properties. The last occurrence of a duplicate property is accepted. This could be exploited to alter transaction records or impact system integrity.

AnalysisAI

An issue was discovered in Dalmann OCPP.Core through 1.2.0 for OCPP (Open Charge Point Protocol) for electric vehicles. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. An issue was discovered in Dalmann OCPP.Core through 1.2.0 for OCPP (Open Charge Point Protocol) for electric vehicles. The server processes mishandle StartTransaction messages containing additional, arbitrary properties, or duplicate properties. The last occurrence of a duplicate property is accepted. This could be exploited to alter transaction records or impact system integrity. Affected products include: Dallmann-Consulting Open Charge Point Protocol. Version information: through 1.2.0.

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.