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CVE-2023-0985

Helmholz and MB Connect Line: Account takeover via password reset in multiple products

Published: Jun 6, 2023Updated: Nov 21, 2024 Sources: CVE List NVDCWE-639
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.8%
Top 48.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only

Description

An Authorization Bypass vulnerability was found in MB Connect Lines mbCONNECT24, mymbCONNECT24 and Helmholz' myREX24 and myREX24.virtual version <= 2.13.3. An authenticated remote user with low privileges can change the password of any user in the same account. This allows to take over the admin user and therefore fully compromise the account.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-639

Affected Products

mbconnect24mbconnectline
mymbconnect24mbconnectline
mbCONNECT24MB Connect LineICS / OT / IoT
mymbCONNECT24MB Connect LineICS / OT / IoT
myREX24HelmholzICS / OT / IoT
mbconnectlineaka mbconnect24, mymbconnect24, mbnet.mini firmware
mb connect linecommercialICS / OT / IoT
helmholzcommercialDEICS / OT / IoT
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Workaround Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://cert.vde.com/en/advisories/VDE-2023-002/
cert.vde.com

Timeline

Published
Jun 6, 2023
Last Updated
Nov 21, 2024

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