CVE-2021-34575highCWE-203

CVE-2021-34575: high-severity vulnerability in MB connect line mymbCONNECT24

Information Exposure in mymbCONNECT24, mbCONNECT24 <= 2.8.0

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 1.0%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
MB connect line · mbCONNECT24MB connect line · mymbCONNECT24
Related CVEs — MB connect line mymbCONNECT24

In the same product, most dangerous first.

CVE-2021-34580HIGHRemote user enumeration in mymbCONNECT24, mbCONNECT24 <= 2.9.0EPSS 1.0%CVE-2020-12527MEDIUMImproper Access Validation in products of MB connect line and HelmholzEPSS 1.0%CVE-2022-22520MEDIUMUser enumeration vulnerability in MB connect line and Helmholz productsEPSS 1.0%CVE-2026-14448HIGHAuthenticated RCE in system_certificates viewEPSS 0.9%CVE-2020-12528MEDIUMCVE-2020-12528EPSS 0.9%CVE-2020-12529MEDIUMCVE-2020-12529EPSS 0.8%