CVE-2025-30073 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-488

References

https://www.syss.de/pentest-blog/businesslogik-fehler-bei-aufwertung-von-geldkar

FAQ

What is CVE-2025-30073?

CVE-2025-30073 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 referen...

How severe is CVE-2025-30073?

CVE-2025-30073 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-30073?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.