CVE-2023-4834: Helmholz MYREX24

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

In Red Lion Europe mbCONNECT24 and mymbCONNECT24 and Helmholz myREX24 and myREX24.virtual up to and including 2.14.2 an improperly implemented access validation allows an authenticated, low privileged attacker to gain read access to limited, non-critical device information in his account he should not have access to.

Affected products

• Helmholz MYREX24: up to and including 2.14.2
• Helmholz MYREX24.VIRTUAL: up to and including 2.14.2
• Mbconnectline MBCONNECT24: up to and including 2.14.2
• Mbconnectline MYMBCONNECT24: up to and including 2.14.2

Published 2023-10-16. Last modified 2026-06-17.