CVE-2021-43987: Myscada Mypro

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

An additional, nondocumented administrative account exists in mySCADA myPRO Versions 8.20.0 and prior that is not exposed through the web interface, which cannot be deleted or changed through the regular web interface.

Affected products

• Myscada Mypro: up to and including 8.20.0

Published 2021-12-23. Last modified 2026-06-17.