CVE-2020-8484: Abb 800xa

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

Insufficient protection of the inter-process communication functions in ABB System 800xA for DCI (all published versions) enables an attacker authenticated on the local system to inject data, allowing reads and writes to the controllers or cause windows processes to crash.

Affected products

• Abb 800xa: any version

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