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4 vulnerabilities by dallmann-consulting

CVE-2023-49956 (GCVE-0-2023-49956)

Vulnerability from cvelistv5 – Published: 2023-12-07 00:00 – Updated: 2024-08-02 22:09
VLAI
Summary
An issue was discovered in Dalmann OCPP.Core before 1.3.0 for OCPP (Open Charge Point Protocol) for electric vehicles. A StopTransaction message with any random transactionId terminates active transactions.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2023-49955 (GCVE-0-2023-49955)

Vulnerability from cvelistv5 – Published: 2023-12-07 00:00 – Updated: 2024-08-02 22:09
VLAI
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."
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2023-49958 (GCVE-0-2023-49958)

Vulnerability from cvelistv5 – Published: 2023-12-07 00:00 – Updated: 2024-10-09 14:58
VLAI
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2023-49957 (GCVE-0-2023-49957)

Vulnerability from cvelistv5 – Published: 2023-12-07 00:00 – Updated: 2024-08-02 22:09
VLAI
Summary
An issue was discovered in Dalmann OCPP.Core before 1.3.0 for OCPP (Open Charge Point Protocol) for electric vehicles. It permits multiple transactions with the same connectorId and idTag, contrary to the expected ConcurrentTx status. This could result in critical transaction management and billing errors. NOTE: the vendor's perspective is "Imagine you've got two cars in your family and want to charge both in parallel on the same account/token? Why should that be rejected?"
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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