CVE-2025-30073 (CVSS 7.5)

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.

Is your site exposed to CVE-2025-30073?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-488 CWE-488

References

Other References

https://www.syss.de/pentest-blog/businesslogik-fehler-bei-aufwertung-von-geldkarten-in-opcr-webapp-aufwertung-syss-2024-089

Frequently Asked Questions

What is CVE-2025-30073? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-30073? +

CVE-2025-30073 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-30073? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2024-8314

An Incorrect Implementation of Authentication Algorithm and Exposure of Data Element to Wrong Ses-sion vulnerability in the session handling used …

CVE-2026-82367

Exposure of Data Element to Wrong Session vulnerability in ash-project ash_graphql can deliver one subscription's resolved records to a different …

CVE-2026-16326 10.0

In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not properly isolate session state in stateless mode, which may allow one …

CVE-2026-16498 10.0

The terraform-mcp-server before version 1.1.0 is vulnerable to a cross-tenant credential reuse issue in the streamable-HTTP stateless transport mode that …

CVE-2026-19931 9.8

A flaw in libcurl makes it wrongly reuse an HTTP connection setup for a given hostname using Negotiate authentication, when …

CVE-2024-27455 9.1

In the Bentley ALIM Web application, certain configuration settings can cause exposure of a user's ALIM session token when the …

CVE-2025-30073