What is the vulnerability ID?

The vulnerability ID is CVE-2021-34574.

What is the severity level of CVE-2021-34574?

The severity level of CVE-2021-34574 is medium.

Which software versions are affected by CVE-2021-34574?

CVE-2021-34574 affects all versions up to and including v2.11.2 of mbCONNECT24, mymbCONNECT24, myREX24, and myREX24.virtual.

How can an attacker exploit CVE-2021-34574?

An authenticated attacker can exploit CVE-2021-34574 by intercepting and modifying the request to change their account password into a new password that violates the password policy.

Are there any references for CVE-2021-34574?

Yes, you can find references for CVE-2021-34574 at the following links: [VDE-2021-030](https://cert.vde.com/en/advisories/VDE-2021-030) and [VDE-2022-039](https://cert.vde.com/en/advisories/VDE-2022-039).

Vulnerability/
CVE-2021-34574

medium

4.3

CWE

669

2/8/2021

7/9/2022

4/8/2024

CVE-2021-34574: Password policy evasion in products of MB connect line and Helmholz

First published: Mon Aug 02 2021(Updated: )

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.

Credit: info@cert.vde.com

Affected Software	Affected Version	How to fix
Mbconnectline Mbconnect24	<=2.11.2
Mbconnectline Mymbconnect24	<=2.11.2
Helmholz myREX24	<=2.11.2
Helmholz Myrex24.virtual	<=2.11.2

Remedy

Update to version 2.12.1

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is CVE-2021-34574.
What is the severity level of CVE-2021-34574?
The severity level of CVE-2021-34574 is medium.
Which software versions are affected by CVE-2021-34574?
CVE-2021-34574 affects all versions up to and including v2.11.2 of mbCONNECT24, mymbCONNECT24, myREX24, and myREX24.virtual.
How can an attacker exploit CVE-2021-34574?
An authenticated attacker can exploit CVE-2021-34574 by intercepting and modifying the request to change their account password into a new password that violates the password policy.
Are there any references for CVE-2021-34574?
Yes, you can find references for CVE-2021-34574 at the following links: [VDE-2021-030](https://cert.vde.com/en/advisories/VDE-2021-030) and [VDE-2022-039](https://cert.vde.com/en/advisories/VDE-2022-039).

collector/nvd-index
agent/references
agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/weakness
agent/last-modified-date
agent/title
agent/author
agent/remedy
agent/softwarecombine
agent/tags
agent/description
agent/first-publish-date
agent/event
vendor/mbconnectline
canonical/mbconnectline mbconnect24
version/mbconnectline mbconnect24/2.11.2
canonical/mbconnectline mymbconnect24
version/mbconnectline mymbconnect24/2.11.2
vendor/helmholz
canonical/helmholz myrex24
version/helmholz myrex24/2.11.2
canonical/helmholz myrex24.virtual
version/helmholz myrex24.virtual/2.11.2

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