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 breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Helmholz / myREX240 – 2.13.3
- Helmholz / myREX24.virtual0 – 2.13.3
- MB connect line / mbCONNECT241.0.0 – 2.13.3
- MB connect line / mymbCONNECT241.0.0 – 2.13.3
References
- VENDOR_ADVISORYhttps://cert.vde.com/en/advisories/VDE-2023-002/