CVE-2021-40595 : What You Need to Know

This article provides details about a SQL injection vulnerability in Sourcecodester Online Leave Management System v1 by oretnom23.

Understanding CVE-2021-40595

This CVE involves allowing attackers to execute arbitrary SQL commands through a specific parameter.

What is CVE-2021-40595?

CVE-2021-40595 is a SQL injection vulnerability found in Sourcecodester Online Leave Management System v1 by oretnom23. Attackers can exploit this vulnerability via the username parameter in /leave_system/classes/Login.php.

The Impact of CVE-2021-40595

This vulnerability allows attackers to execute arbitrary SQL commands, potentially leading to data theft, manipulation, or unauthorized access.

Technical Details of CVE-2021-40595

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in Sourcecodester Online Leave Management System v1 allows attackers to conduct SQL injection attacks by manipulating the username parameter.

Affected Systems and Versions

Product: Sourcecodester Online Leave Management System v1
Vendor: oretnom23
Versions affected: All versions are vulnerable.

Exploitation Mechanism

Attackers exploit the SQL injection vulnerability by injecting malicious SQL commands through the username parameter in the Login.php file.

Mitigation and Prevention

Here are the steps to mitigate and prevent exploitation of CVE-2021-40595:

Immediate Steps to Take

Disable the application until a patch is available.
Implement input validation to sanitize user inputs.
Monitor and analyze SQL queries for any unusual patterns.

Long-Term Security Practices

Regularly update and patch the application to address security vulnerabilities.
Conduct security assessments and penetration testing regularly.

Patching and Updates

Apply patches provided by the vendor to fix the SQL injection vulnerability.