CVSS 3.1 Score 7.5 of 10 (high)


Published Dec 7, 2023
Updated: Dec 13, 2023


CVE-2023-49955 is a vulnerability discovered in Dalmann OCPP.Core before version 1.2.0 for OCPP (Open Charge Point Protocol) for electric vehicles. The vulnerability arises from a failure to validate the length of the chargePointVendor field in a BootNotification message, potentially resulting in server instability and a denial of service when processing excessively large inputs. The affected products are 't9y8ei' and 't9y8ej'. To remediate this issue, users should update their Dalmann OCPP.Core software to version 1.2.0 or later. This vulnerability poses a high danger to organizations as it can lead to server instability and disrupt the charging infrastructure for electric vehicles, potentially causing financial losses and inconvenience for users.

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