CVE-2021-39377 : Vulnerability Insights and Analysis

openSIS 8.0 is susceptible to a SQL Injection vulnerability when MySQL (MariaDB) is used as the application database. An attacker can exploit this by sending malicious SQL commands through the index.php username parameter.

Understanding CVE-2021-39377

This CVE identifies a SQL Injection vulnerability in openSIS 8.0 when using MySQL (MariaDB) as the application database.

What is CVE-2021-39377?

The vulnerability allows malicious actors to manipulate the MySQL (MariaDB) database by injecting harmful SQL commands through the username parameter in index.php.

The Impact of CVE-2021-39377

Exploitation of this vulnerability could lead to unauthorized access, data manipulation, or even complete data loss of the database.

Technical Details of CVE-2021-39377

openSIS 8.0 presents the following technical details:

Vulnerability Description

A SQL Injection flaw in openSIS 8.0 enables attackers to send SQL commands through the username parameter in index.php when MySQL (MariaDB) is utilized as the database.

Affected Systems and Versions

Product: openSIS 8.0
Vendor: N/A
Affected Version: N/A

Exploitation Mechanism

The vulnerability is exploited through the index.php username parameter, allowing attackers to send SQL commands to the MySQL (MariaDB) database.

Mitigation and Prevention

To secure against CVE-2021-39377, consider the following steps:

Immediate Steps to Take

Implement input validation to sanitize user inputs
Regularly monitor and review database logs for suspicious activities

Long-Term Security Practices

Conduct regular security assessments and penetration tests

Keep systems updated with the latest security patches

Patching and Updates Ensure timely application of security patches and updates to mitigate the SQL Injection vulnerability in openSIS 8.0.