CVE-2022-22520 - CVE House
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Status published Medium CVE-2022-22520

User enumeration vulnerability in MB connect line and Helmholz products

Vulnerability Description

A remote, unauthenticated attacker can enumerate valid users by sending specific requests to the webservice of MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • SySS GmbH reported this vulnerability to Helmholz. Helmholz reported this vulnerability to MB connect line. CERT@VDE coordinated with Helmholz & MB connect line.

References

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Affected Vendor

MB connect line

View all reports →

Affected Software

mymbCONNECT24, mbCONNECT24, myREX24, myREX24.virtual
Vulnerable Versions:
2

Timeline

Official Publish: September 14th, 2022
Last Modified: September 17th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-204

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.