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bdu:2021-05601

EUVD-2026-166425

fkie_cve-2021-33527

GHSA-hrmp-939q-g4mq

In MB connect line mbDIALUP versions <= 3.9R0.0 a low privileged local attacker can send a command to the service running with NT AUTHORITY\SYSTEM that won't be validated correctly and allows for an arbitrary code execution with the privileges of the service.

gsd-2021-33527

VDE-2021-017 — MB connect line: Privilege escalation in mbDIALUP

Multiple Vulnerabilities in mbConnect24serv (a software service of mbDIALUP) can lead to arbitrary code execution due to improper privilege management.

Update A, 2021-11-24

corrected fixed version in solution from 3.9R0.4 to 3.9R0.5

Update B, 2022-03-28

Updated CVSS score from CVE-2021-33527 from 7.8 to 9.8 due to new information about the vulnerability

VDE-2021-057 — Helmholz: Privilege Escalation in shDialup (Update A)

In MB connect line mbDIALUP versions <= 3.9R0.0 a remote attacker can send a specifically crafted HTTP request to the service running with NT AUTHORITY\SYSTEM that will not correctly validate the input. This can lead to an arbitrary code execution with the privileges of the service. In MB connect line mbDIALUP versions <= 3.9R0.0 a low privileged local attacker can send a command to the service running with NT AUTHORITY\SYSTEM instructing it to execute a malicous OpenVPN configuration resulting in arbitrary code execution with the privileges of the service.