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    CVE-2023-49957

    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?"

    Published:Dec 7, 2023
    Last Modified:Nov 21, 2024
    EPS:Dec 7, 2023
    EPSS Score:0.00299
    CVSS Score:7.5

    Affected Products

    Vendor
    Dallmann-consulting
    Product
    Open Charge Point Protocol

    Exploits

    https://github.com/dallmann-consulting/OCPP.Core/issues/35https://github.com/dallmann-consulting/OCPP.Core/issues/35

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High