CVE-2021-42706: Advantech Webaccess HMI Designer

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

This vulnerability could allow an attacker to disclose information and execute arbitrary code on affected installations of WebAccess/MHI Designer

Affected products

• Advantech Webaccess HMI Designer: before 2.1.11.0 (fixed in 2.1.11.0)

Published 2021-11-15. Last modified 2026-06-17.