CVE-2020-35559: Mbconnectline MBCONNECT24

Medium severity, CVSS 4.3. EPSS: 0.8% chance of exploitation in the next 30 days.

An issue was discovered in MB CONNECT LINE mymbCONNECT24 and mbCONNECT24 through 2.6.2. There is an unused function that allows an authenticated attacker to use up all available IPs of an account and thus not allow creation of new devices and users.

Affected products

• Mbconnectline MBCONNECT24: up to and including 2.6.2
• Mbconnectline MYMBCONNECT24: up to and including 2.6.2

Published 2021-02-16. Last modified 2026-06-17.