CVE-2021-40636: OS4ED Opensis

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

OS4ED openSIS 8.0 is affected by SQL Injection in CheckDuplicateName.php, which can extract information from the database.

Affected products

• OS4ED Opensis: version 8.0 only

Published 2022-03-03. Last modified 2026-06-17.