CVE-2020-8474: Abb 800xa Base System

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

Weak Registry permissions in ABB System 800xA Base allow low privileged users to read and modify registry settings related to control system functionality, allowing an authenticated attacker to cause system functions to stop or malfunction.

Affected products

• Abb 800xa Base System: up to and including 6.0.0

Published 2020-04-22. Last modified 2026-06-17.