CVE-2026-33617: MB connect line mbCONNECT24 vulnerable to an unauthenticated information disclosure in the data24 Endpoint

Published Apr 2, 2026
·
Updated

An unauthenticated remote attacker can access a configuration file containing database credentials. This can result in a some loss of confidentiality, but there is no endpoint exposed to use these credentials.

Affected Software

3 affected components
MB connect line mbCONNECT24
Mbconnectline Mbconnect24<=2.19.4
Mbconnectline Mymbconnect24<=2.19.4

Event History

Apr 2, 2026
CVE Published
via MITRE·09:00 AM
Data Sourced
via MITRE·09:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-33617?

CVE-2026-33617 is classified with a low severity due to the potential information disclosure of sensitive configuration files.

2

How do I fix CVE-2026-33617?

To fix CVE-2026-33617, you should immediately restrict access to the data24 endpoint and review your configuration file permissions.

3

What data is exposed in CVE-2026-33617?

CVE-2026-33617 allows unauthorized access to a configuration file that includes sensitive database credentials.

4

Is authentication required to exploit CVE-2026-33617?

No authentication is required to exploit CVE-2026-33617, making it particularly dangerous.

5

Which versions of mbCONNECT24 are affected by CVE-2026-33617?

CVE-2026-33617 affects all versions of mbCONNECT24 up to and including version 2.19.4.

Contact

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