CVE-2021-45286 Explained : Impact and Mitigation

A Directory Traversal vulnerability exists in ZZCMS 2021, allowing attacks via the skin parameter in specific PHP files.

Understanding CVE-2021-45286

This CVE involves a critical security issue in ZZCMS 2021 that enables unauthorized access to files through a specific parameter.

What is CVE-2021-45286?

The vulnerability in ZZCMS 2021 allows attackers to traverse directories using the skin parameter in index.php, bottom.php, and top_index.php.

The Impact of CVE-2021-45286

The exploitation of this vulnerability can lead to unauthorized access to sensitive files, potential data breaches, and significant security risks.

Technical Details of CVE-2021-45286

This section covers the technical aspects of the vulnerability in ZZCMS 2021.

Vulnerability Description

A Directory Traversal flaw in ZZCMS 2021 enables attackers to navigate through directories by manipulating the skin parameter in specific PHP files.

Affected Systems and Versions

Product: ZZCMS 2021
Vendor: ZZCMS
Version: All versions are affected

Exploitation Mechanism

Attackers exploit the vulnerability by altering the skin parameter in index.php, bottom.php, and top_index.php, allowing unauthorized access to files and directories.

Mitigation and Prevention

For users and administrators, it is crucial to follow mitigation strategies to prevent exploitation of this vulnerability.

Immediate Steps to Take

Apply the latest security patches provided by ZZCMS.
Implement proper input validation mechanisms to sanitize user inputs.
Restrict access to sensitive directories and files.

Long-Term Security Practices

Regularly update and patch ZZCMS installations.
Conduct vulnerability assessments and penetration testing on the system.

Patching and Updates

Stay informed about security updates from ZZCMS.
Timely apply patches and upgrades to eliminate the vulnerability and enhance system security.