CVE-2021-34574

low-risk
Published 2021-08-02

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.

Do I need to act?

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0.26% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (4)

Myrex24
Myrex24.Virtual

Affected Vendors

Mbconnectline Helmholz

References (4)

Third Party Advisory https://cert.vde.com/en/advisories/VDE-2021-030
Third Party Advisory https://cert.vde.com/en/advisories/VDE-2022-039
Third Party Advisory https://cert.vde.com/en/advisories/VDE-2021-030
Third Party Advisory https://cert.vde.com/en/advisories/VDE-2022-039
29
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 10/34 · Low