CVSS 3.1 Score 7.5 of 10 (high)


Published Dec 7, 2023
Updated: Dec 13, 2023


CVE-2023-49957 is a vulnerability in Dalmann OCPP.Core before 1.3.0 for OCPP (Open Charge Point Protocol) used for electric vehicles. The vulnerability allows multiple transactions with the same connectorId and idTag, which goes against the expected ConcurrentTx status. This could lead to critical transaction management and billing errors. The affected products include 't9y8ei', 't9y8ej', and 't9y8ek'. The vulnerability has a base severity rating of HIGH with a base score of 7.5. It requires no privileges or user interaction for exploitation and can be exploited over the network. The potential impact is high integrity impact, but no confidentiality impact or availability impact has been identified.

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