Os4Ed · Os4Ed Opensis · CVE-2021-40636
**Name of the Vulnerable Software and Affected Versions**
OS4ED openSIS version 8.0
**Description**
The issue affects the CheckDuplicateName.php file, allowing SQL Injection that can extract information from the database.
**Recommendations**
For OS4ED openSIS version 8.0, consider restricting access to the CheckDuplicateName.php file until a patch is available. As a temporary workaround, avoid using the CheckDuplicateName.php functionality to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.