Security Advisory
CVE-2025-30073
CVE vulnerability detail — eXtreme Datacenter Security Operations
Description
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.