What’s Vulnerable › Vulnerabilities

CVE-2024-23943: MB connect line: Cloud API access due to a lack of authentication for a critical function

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-18 · updated 2026-06-17
• Weakness: CWE-306

Description

An unauthenticated remote attacker can gain access to the cloud API due to a lack of authentication for a critical function in the affected devices. Availability is not affected.

Affected products

• MB connect line mbCONNECT24: before 2.16.2 — fixed in 2.16.2
• MB connect line mbNET: before 8.2.0 — fixed in 8.2.0
• MB connect line mbNET.rokey: before 8.2.0 — fixed in 8.2.0
• MB connect line mymbCONNECT24: before 2.16.2 — fixed in 2.16.2

How to fix

Upgrade to a fixed version: MB connect line mbCONNECT24 2.16.2; MB connect line mbNET 8.2.0; MB connect line mbNET.rokey 8.2.0; MB connect line mymbCONNECT24 2.16.2. Check the vendor advisory for mitigations.

References

• https://cert.vde.com/en/advisories/VDE-2024-010

Get alerted when CVE-2024-23943 or the next vulnerability affects your stack