CVE-2020-6127: OS4ED Opensis

High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days.

SQL injection vulnerability exists in the CoursePeriodModal.php page of OS4Ed openSIS 7.3. The id parameter in the page CoursePeriodModal.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Affected products

• OS4ED Opensis: version 7.3 only

Published 2020-09-01. Last modified 2026-06-17.