An issue was discovered in Dalmann OCPP.Core through 1.2.0 for OCPP (Open Charge Point…
Priority HIGH 72CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00557 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dallmann-consulting:open_charge_point_protocol:*:*:*:*:*:*:*:* | up to 1.2.0 | Vulnerable | Dallmann-consulting |
- cpe:2.3:a:dallmann-consulting:open_charge_point_protocol:*:*:*:*:*:*:*:* Versions up to 1.2.0 Vulnerable ·Dallmann-consulting
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-49958
- 2026-10-03 Alias added: GHSA-8mqw-jpwq-w6mr
References
More Dallmann-consulting Open Charge Point Protocol vulnerabilities
- TI-2023-27316 An issue was discovered in Dalmann OCPP.Core before 1.3.0 for OCPP (Open Charge Point… CVSS 3.1HIGH 7.5
- TI-2023-27315 An issue was discovered in Dalmann OCPP.Core before 1.2.0 for OCPP (Open Charge Point… CVSS 3.1HIGH 7.5
- TI-2023-27317 An issue was discovered in Dalmann OCPP.Core before 1.3.0 for OCPP (Open Charge Point… CVSS 3.1HIGH 7.5
Sources
- CVE-2023-49958 · CVE Program
- CVE-2023-49958 · NVD
- FIRST EPSS
- GHSA-8mqw-jpwq-w6mr · GitHub Advisory Database · CC BY 4.0
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