CVE-2021-34575

HIGH 7.5CVE-2021-34575 · Published 02/08/2021 · updated 17/06/2026

In short

CVE-2021-34575 is a HIGH (CVSS 7.5) vulnerability affecting mbconnect24 (mbconnectline), mymbconnect24 (mbconnectline).
Chance of exploitation in the next 30 days (EPSS): 1.0%, higher than 63.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mbconnect24 mbconnectline	`≤ 2.8.0`	No fix yet
mymbconnect24 mbconnectline	`≤ 2.8.0`	No fix yet

Description

In MB connect line mymbCONNECT24, mbCONNECT24 in versions <= 2.8.0 an unauthenticated user can enumerate valid users by checking what kind of response the server sends.

References

cert.vde.com/de-de/advisories/vde-2021-030 · Third Party Advisory

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Package

Affected versions

Patched versions

mbconnect24

mbconnectline

≤ 2.8.0

No fix yet

mymbconnect24

mbconnectline

≤ 2.8.0

No fix yet

More vulnerabilities in mbconnect24

See all →