CVE-2020-7485: Schneider Electric Tristation 1131

Critical severity, CVSS 9.8. EPSS: 1.9% chance of exploitation in the next 30 days.

**VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy support account in the TriStation software version v4.9.0 and earlier could cause improper access to the TriStation host machine. This was addressed in TriStation version v4.9.1 and v4.10.1 released on May 30, 2013.1

Affected products

• Schneider Electric Tristation 1131: from 1.0.0, up to and including 4.9.0; version 4.10.0 only; version 4.12.0 only

Published 2020-04-16. Last modified 2026-06-17.