CVE-2021-33527 CRITICAL

CVE-2021-33527: OS Command Injection in mbDIALUP <= 3.9R0.0

Vendor Mb Connect Line
Product mbDIALUP
Weakness CWE-20 · Input validation
Published August 2, 2021
Last update September 16, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 2, 2021 CVE published
September 16, 2024 Record updated