CVE-2021-33527

CRITICAL

MB connect line mbDIALUP <= 3.9R0.0 - RCE

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_confirm
https://cert.vde.com/de-de/advisories/vde-2021-017

Scores

CVSS v3 9.8
EPSS 0.0452
EPSS Percentile 90.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (1)
mbconnectline/mbdialup < 3.9r0.0
Published Aug 02, 2021
Tracked Since Feb 18, 2026