CVE-2020-24136 Explained : Impact and Mitigation

Directory traversal vulnerability in Wcms 0.3.2 allows unauthorized access to server files via the pagename parameter to wex/html.php.

Understanding CVE-2020-24136

This CVE involves a directory traversal vulnerability in Wcms 0.3.2, enabling attackers to read arbitrary files on the server.

What is CVE-2020-24136?

Directory traversal in Wcms 0.3.2 allows an attacker to read arbitrary files on the server that is running an application via the pagename parameter to wex/html.php.

The Impact of CVE-2020-24136

Attackers can access sensitive files on the server, potentially leading to data theft or unauthorized disclosure.

Technical Details of CVE-2020-24136

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Wcms 0.3.2 permits attackers to perform directory traversal attacks, compromising server security.

Affected Systems and Versions

Affected Version: Wcms 0.3.2

Exploitation Mechanism

Attackers exploit the pagename parameter in wex/html.php to navigate the server's directory structure and access unauthorized files.

Mitigation and Prevention

Protect your systems from CVE-2020-24136 with the following measures.

Immediate Steps to Take

Disable the pagename parameter or implement input validation to prevent directory traversal attacks.
Regularly monitor server logs for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Keep software and applications up to date to patch known security flaws.
Educate users and administrators about secure coding practices and the risks of directory traversal vulnerabilities.

Patching and Updates

Apply patches or updates provided by the software vendor to fix the directory traversal vulnerability in Wcms 0.3.2.