CVE-2021-34574: medium-severity vulnerability in MB connect line mymbCONNECT24
Password policy evasion in products of MB connect line and Helmholz
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.3epss 0.7%
In MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 an authenticated attacker can change the password of his account into a new password that violates the password policy by intercepting and modifying the request that is send to the server.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Affected products
Helmholz · myREX24Helmholz · myREX24.virtualMB connect line · mbCONNECT24MB connect line · mymbCONNECT24Related 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-2021-34575HIGHInformation Exposure in mymbCONNECT24, mbCONNECT24 <= 2.8.0EPSS 1.0%CVE-2026-14448HIGHAuthenticated RCE in system_certificates viewEPSS 0.9%CVE-2020-12528MEDIUMCVE-2020-12528EPSS 0.9%