CVE-2020-20735 : What You Need to Know

This CVE record relates to a File Upload vulnerability in LJCMS v.4.3.R60321 that allows a remote attacker to execute arbitrary code via the ljcms/index.php parameter.

Understanding CVE-2020-20735

This vulnerability poses a risk of unauthorized code execution on affected systems.

What is CVE-2020-20735?

The CVE-2020-20735 vulnerability involves a File Upload issue in LJCMS v.4.3.R60321, enabling a remote attacker to run malicious code through the ljcms/index.php parameter.

The Impact of CVE-2020-20735

The vulnerability can lead to unauthorized code execution, potentially compromising the security and integrity of the affected systems.

Technical Details of CVE-2020-20735

This section provides specific technical details of the CVE.

Vulnerability Description

The vulnerability allows remote attackers to upload and execute arbitrary code via the ljcms/index.php parameter in LJCMS v.4.3.R60321.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions are affected.

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating the ljcms/index.php parameter to upload and execute malicious code.

Mitigation and Prevention

Protective measures to address CVE-2020-20735.

Immediate Steps to Take

Disable file uploads in LJCMS if not essential.
Implement input validation to restrict file types and sizes.
Monitor and restrict access to the ljcms/index.php parameter.

Long-Term Security Practices

Regularly update LJCMS to the latest secure version.
Conduct security audits and penetration testing to identify vulnerabilities.
Educate users on safe file handling practices.

Patching and Updates

Apply patches or updates provided by LJCMS to fix the File Upload vulnerability.