CVE-2020-6121 Explained : Impact and Mitigation
Learn about CVE-2020-6121, a Medium severity SQL injection vulnerability in OS4Ed openSIS 7.3. Understand the impact, affected systems, exploitation, and mitigation steps.
SQL injection vulnerabilities exist in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. An attacker can exploit the ln parameter to trigger SQL injection, potentially leading to unauthorized access.
Understanding CVE-2020-6121
This CVE involves SQL injection vulnerabilities in OS4Ed openSIS 7.3, specifically in the CheckDuplicateStudent.php page.
What is CVE-2020-6121?
- The ln parameter in CheckDuplicateStudent.php is susceptible to SQL injection attacks.
- Attackers can exploit this vulnerability by sending crafted HTTP requests.
The Impact of CVE-2020-6121
- CVSS Base Score: 6.4 (Medium)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- Scope: Changed
- Confidentiality and Integrity Impact: Low
- User Interaction: None
- Availability Impact: None
Technical Details of CVE-2020-6121
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- The vulnerability lies in the ln parameter of the CheckDuplicateStudent.php page.
- It allows attackers to inject malicious SQL queries.
Affected Systems and Versions
- Product: OS4Ed
- Version: OS4Ed openSIS 7.3
Exploitation Mechanism
- Attackers can exploit the vulnerability by manipulating the ln parameter in HTTP requests.
Mitigation and Prevention
Protect your systems from CVE-2020-6121 with these security measures:
Immediate Steps to Take
- Apply security patches provided by the vendor.
- Implement input validation to sanitize user inputs.
- Monitor and filter incoming HTTP requests for suspicious patterns.
Long-Term Security Practices
- Conduct regular security audits and penetration testing.
- Educate developers and users about secure coding practices.
Patching and Updates
- Stay informed about security updates and apply them promptly.