CVE-2020-20919 : Exploit Details and Defense Strategies

This CVE record pertains to a file upload vulnerability in Pluck CMS v.4.7.10-dev2 that allows remote attackers to execute arbitrary code and access sensitive information via the theme.php file.

Understanding CVE-2020-20919

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2020-20919.

What is CVE-2020-20919?

CVE-2020-20919 is a security vulnerability in Pluck CMS v.4.7.10-dev2 that enables malicious actors to execute arbitrary code and gain unauthorized access to sensitive data by exploiting the theme.php file.

The Impact of CVE-2020-20919

The vulnerability poses a severe risk as it allows remote attackers to compromise the integrity and confidentiality of the affected system, potentially leading to unauthorized data access and arbitrary code execution.

Technical Details of CVE-2020-20919

This section delves into the specifics of the vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The flaw in Pluck CMS v.4.7.10-dev2 enables remote attackers to upload malicious files via the theme.php file, leading to arbitrary code execution and unauthorized access to sensitive information.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability is exploited by uploading malicious files through the theme.php file, allowing attackers to execute arbitrary code and access sensitive data.

Mitigation and Prevention

In this section, you will find guidance on immediate steps to take and long-term security practices to mitigate the risks associated with CVE-2020-20919.

Immediate Steps to Take

Disable file uploads in Pluck CMS to prevent exploitation of the vulnerability.
Implement strict file upload validation mechanisms to block malicious files.
Monitor system logs for any suspicious file upload activities.

Long-Term Security Practices

Regularly update Pluck CMS to the latest secure version.
Conduct security audits to identify and address potential vulnerabilities in the CMS.
Educate users on safe file handling practices to prevent unauthorized uploads.
Consider implementing a web application firewall to enhance security.

Patching and Updates

Ensure timely installation of security patches released by Pluck CMS to address the file upload vulnerability and enhance system security.