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CVE-2021-34574

Password policy evasion in products of MB connect line and Helmholz

Published: Aug 2, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-669
NVD MITRE
4.3CVSSMEDIUM
EPSS Score
0.7%
Top 53.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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 Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-669

Affected Products

mbconnect24mbconnectline
mymbconnect24mbconnectline
myrex24helmholzICS / OT / IoT
myrex24.virtualhelmholzICS / OT / IoT
mymbCONNECT24MB connect lineICS / OT / IoT
mbconnectlineaka mbconnect24, mymbconnect24, mbnet.mini firmware
helmholzcommercialDEICS / OT / IoT
mb connect linecommercialICS / OT / IoT
and 3 more affected products View all →

Exploitability

Official Patch Available

References

https://cert.vde.com/en/advisories/VDE-2021-030
cert.vde.com
https://cert.vde.com/en/advisories/VDE-2022-039
cert.vde.com

Timeline

Published
Aug 2, 2021
Last Updated
Nov 21, 2024

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