CVE-2021-28999 : Exploit Details and Defense Strategies

CMS Made Simple through 2.2.15 is vulnerable to SQL Injection, allowing remote attackers to execute arbitrary commands.

Understanding CVE-2021-28999

This section will provide insights into the nature and impact of the SQL Injection vulnerability in CMS Made Simple.

What is CVE-2021-28999?

The CVE-2021-28999 refers to a SQL Injection vulnerability present in CMS Made Simple versions up to 2.2.15. Attackers can exploit this vulnerability using the 'm1_sortby' parameter to execute arbitrary commands remotely.

The Impact of CVE-2021-28999

The impact of this vulnerability is severe as it allows attackers to gain unauthorized access and execute commands on the affected systems. This can lead to data theft, manipulation, and potentially full system compromise.

Technical Details of CVE-2021-28999

This section will delve deeper into the technical aspects of the CVE-2021-28999 vulnerability.

Vulnerability Description

The vulnerability exists in the modules/News/function.admin_articlestab.php file of CMS Made Simple. By manipulating the 'm1_sortby' parameter, attackers can inject and execute arbitrary SQL commands.

Affected Systems and Versions

All versions of CMS Made Simple up to 2.2.15 are affected by this SQL Injection vulnerability. Users are advised to update to a patched version immediately.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the target system with malicious SQL commands embedded in the 'm1_sortby' parameter.

Mitigation and Prevention

Protecting systems against CVE-2021-28999 requires a combination of immediate actions and long-term security practices.

Immediate Steps to Take

Update CMS Made Simple to the latest patched version to mitigate the SQL Injection risk.
Monitor system logs for any unusual activities that could indicate an ongoing attack.
Implement strict input validation mechanisms to prevent similar vulnerabilities in the future.

Long-Term Security Practices

Regularly conduct security audits and vulnerability assessments on your systems.
Train staff on secure coding practices and provide awareness on common attack vectors like SQL Injection.

Patching and Updates

Stay informed about security updates released by CMS Made Simple and promptly apply them to ensure your systems are protected from known vulnerabilities.