CVE-2021-43984: Myscada Mypro

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

mySCADA myPRO: Versions 8.20.0 and prior has a feature where the firmware can be updated, which may allow an attacker to inject arbitrary operating system commands through a specific parameter.

Affected products

• Myscada Mypro: up to and including 8.20.0

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