What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-02 · updated 2026-10-26
• Weakness: CWE-497

Description

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 products

• MB connect line mbCONNECT24: through 2.19.4
• MB connect line mymbCONNECT24: through 2.19.4

References

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

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