CVE-2020-7484: Schneider Electric Tristation 1131

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

**VERSION NOT SUPPORTED WHEN ASSIGNED** A vulnerability with the former 'password' feature could allow a denial of service attack if the user is not following documented guidelines pertaining to dedicated TriStation connection and key-switch protection. This vulnerability was discovered and remediated in versions v4.9.1 and v4.10.1 on May 30, 2013. This feature is not present in version v4.9.1 and v4.10.1 through current. Therefore, the vulnerability is not present in these versions.

Affected products

• Schneider Electric Tristation 1131: from 1.0, before 4.13.0 (fixed in 4.13.0)

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