CVE-2021-40390: Moxa Mxview

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

An authentication bypass vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.4. A specially-crafted HTTP request can lead to unauthorized access. An attacker can send an HTTP request to trigger this vulnerability.

Affected products

• Moxa Mxview: version 3.2.4 only

Published 2022-04-14. Last modified 2026-06-17.