CVE-2021-41677 : Vulnerability Insights and Analysis

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the /opensis/functions/GetStuListFnc.php &Grade= parameter.

Understanding CVE-2021-41677

What is CVE-2021-41677?

This CVE refers to a SQL injection vulnerability in openSIS version 8.0 when utilizing MySQL or MariaDB.

The Impact of CVE-2021-41677

The vulnerability allows attackers to execute SQL commands through a specific parameter, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2021-41677

Vulnerability Description

The vulnerability permits SQL injection attacks through the application's parameter, putting sensitive data at risk.

Affected Systems and Versions

System: openSIS version 8.0
Databases: MySQL or MariaDB

Exploitation Mechanism

Attackers exploit the vulnerability by injecting malicious SQL commands via the /opensis/functions/GetStuListFnc.php &Grade= parameter.

Mitigation and Prevention

Immediate Steps to Take

Update openSIS to the latest version to patch the vulnerability.
Implement input validation mechanisms to prevent SQL injection attacks.

Long-Term Security Practices

Regularly educate users on secure coding practices.
Conduct security audits and penetration testing to identify and mitigate vulnerabilities.

Patching and Updates

Ensure prompt installation of security patches and updates to prevent exploitation of known vulnerabilities.