CVE-2020-8473: Abb 800xa Base System

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

Insufficient folder permissions used by system functions in ABB System 800xA Base (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploit the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.

Affected products

• Abb 800xa Base System: up to and including 6.1

Published 2020-04-29. Last modified 2026-06-17.