An issue was discovered in OPC cardsystems Webapp Aufwertung 2.1.0. The reference assigned to transactions can be reused. When completing a payment, the first or all transactions with the same reference are completed, depending on timing. This can be used to transfer more money onto employee cards than is paid.
2025-03-26T20:15:22.837
2025-03-27T16:45:27.850
Awaiting Analysis
CVSSv3.1: 7.5 (HIGH)
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