An issue was discovered in Dalmann OCPP.Core before 1.2.0 for OCPP (Open Charge Point…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An issue was discovered in Dalmann OCPP.Core before 1.2.0 for OCPP (Open Charge Point Protocol) for electric vehicles. It does not validate the length of the chargePointVendor field in a BootNotification message, potentially leading to server instability and a denial of service when processing excessively large inputs. NOTE: the vendor's perspective is "OCPP.Core is intended for use in a protected environment/network."
Why it matters now
EPSS 0.00707 53rd 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
Not available: CISA has not published SSVC decision points for this record.
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:*:*:*:*:*:*:*:* | before 1.2.0 | Vulnerable | Dallmann-consulting |
- cpe:2.3:a:dallmann-consulting:open_charge_point_protocol:*:*:*:*:*:*:*:* Versions before 1.2.0 Vulnerable ·Dallmann-consulting
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-49955
- 2026-10-03 Alias added: GHSA-r83w-76v6-vh75
References
More Dallmann-consulting Open Charge Point Protocol vulnerabilities
- TI-2023-27318 An issue was discovered in Dalmann OCPP.Core through 1.2.0 for OCPP (Open Charge Point… CVSS 3.1HIGH 7.5
- 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-2023-27317 An issue was discovered in Dalmann OCPP.Core before 1.3.0 for OCPP (Open Charge Point… CVSS 3.1HIGH 7.5
Sources
- CVE-2023-49955 · CVE Program
- CVE-2023-49955 · NVD
- FIRST EPSS
- GHSA-r83w-76v6-vh75 · 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