CVE-2025-30073
An issue was discovered in OPC cardsystems Webapp Aufwertung 2.1.0. The reference assigned to...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-30073- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-488
- Updated
- 2026-11-02
EUVDEUVD-2025-8261
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.
- Record
EUVD-2025-8261- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cjp9-h6x7-98p3
An issue was discovered in OPC cardsystems Webapp Aufwertung 2.1.0. The reference assigned to...
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.
- Record
GHSA-cjp9-h6x7-98p3- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-488
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-30073- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-488
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-30073 is a high vulnerability (CVSS 7.5), published March 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. No source names a fixed version.