CVE-2026-33616

HIGH 7.5

MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the mb24api Endpoint

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

15th

An unauthenticated remote attacker can exploit an unauthenticated blind SQL Injection vulnerability in the mb24api endpoint due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.

CWE	CWE-89
Vendor	mb connect line
Product	mbconnect24
Published	Apr 2, 2026
Last Updated	Apr 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

MB connect line / mbCONNECT24

0.0.0 ≤ 2.19.4

MB connect line / mymbCONNECT24

0.0.0 ≤ 2.19.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

certvde.com: https://certvde.com/de/advisories/VDE-2026-030 mbconnectline.csaf-tp.certvde.com: https://mbconnectline.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2026-030.json

Credits

Moritz Abrell, Christian Zäske from SySS GmbH