CVE-2020-8486: Abb 800xa Rnrp

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 RNRP (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling.

Affected products

• Abb 800xa Rnrp: any version

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