# CVE-2026-10521

## Summary

- **CVE ID:** CVE-2026-10521
- **Severity:** HIGH
- **CVSS Score:** 8.6 (CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-425
- **Published:** Jun 23, 2026
- **Last Modified:** Jun 23, 2026

## Description

An high privileged remote attacker can access a hidden configuration method, that should not be accessible by any user, to modify critical program parameters. This can result in a total loss of confidentiality, integrity and availability.

## Affected Products

- MB connect line — mbCONNECT24 (0.0.0)
- MB connect line — mymbCONNECT24 (0.0.0)
- MB connect line — mbCONNECT24 (2.20.1)
- MB connect line — mymbCONNECT24 (2.20.1)

## References

- [CNA](https://www.certvde.com/en/advisories/VDE-2026-068/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.55%
- **EPSS Percentile:** 44.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._