Cyber Resilience

CVE-2021-34574

Medium

Published: 02 August 2021

Published
02 August 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS Score 0.0026 49.6th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34574 is a medium-severity Incorrect Resource Transfer Between Spheres (CWE-669) vulnerability in Mbconnectline Mbconnect24. Its CVSS base score is 4.3 (Medium).

Operationally, ranked at the 49.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

request that is send to the server.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mbconnectline
mbconnect24
≤ 2.11.2
mbconnectline
mymbconnect24
≤ 2.11.2
helmholz
myrex24
≤ 2.11.2
helmholz
myrex24.virtual
≤ 2.11.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-669

Enforces proper authorization rules for any resource or data transfer between different spheres.

addresses: CWE-669

Accountability, documentation, and protection requirements ensure correct transfer of media resources between spheres.

addresses: CWE-669

Reduces incorrect transfers between spheres by establishing clear, separate domains for different sensitivities or functions.

addresses: CWE-669

It governs all resource transfers between spheres, preventing incorrect or unauthorized movement of data or capabilities across domain interfaces.

addresses: CWE-669

Addresses incorrect transfer of resources to an uncontrolled sphere by requiring approved destruction or sanitization methods.

References