CVE-2020-13537 CRITICAL

CVE-2020-13537

Vendor N/A
Product Moxa
Weakness CWE-276
Published November 5, 2020
Last update August 4, 2024

CVSS base score

9.3/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

An exploitable local privilege elevation vulnerability exists in the file system permissions of Moxa MXView series 3.1.8 installation. Depending on the vector chosen, an attacker can either add code to a script or replace a binary.By default MXViewService, which starts as a NT SYSTEM authority user executes a series of Node.Js scripts to start additional application functionality and among them the mosquitto executable is also run.

Key dates

02Disclosure timeline

November 5, 2020 CVE published
August 4, 2024 Record updated