CVE-2022-22520: Helmholz MYREX24

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

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.

Affected products

• Helmholz MYREX24: up to and including 2.11.2
• Helmholz MYREX24.VIRTUAL: up to and including 2.11.2
• Mbconnectline MBCONNECT24: up to and including 2.11.2
• Mbconnectline MYMBCONNECT24: up to and including 2.11.2

Published 2022-09-14. Last modified 2026-06-17.