What is CVE-2026-33617?

CVE-2026-33617 is a medium-severity vulnerability in Mb Connect Line Mbconnect24, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 5.3/10. Published 2026-04-02.

How severe is CVE-2026-33617?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Mb Connect Line Mbconnect24

CVE-2026-33617

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.

EPSS: 0.000 (15.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mb Connect Line Mbconnect24 — versions 0.0.0
Mb Connect Line Mymbconnect24 — versions 0.0.0

Weakness classification (CWE)

CWE-497 — Exposure of Sensitive System Information to an Unauthorized Control Sphere

References

certvde.com/de/advisories/VDE-2026-030 (vendor-advisory)
mbconnectline.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2026-030.json (vendor-advisory)

Frequently asked questions

What is CVE-2026-33617?: CVE-2026-33617 is a medium-severity vulnerability in Mb Connect Line Mbconnect24, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 5.3/10. Published 2026-04-02.
How severe is CVE-2026-33617?: Medium severity. CVSS v3 base score is 5.3 out of 10.