CVE-2020-21967 : Vulnerability Insights and Analysis

A file upload vulnerability in the Catalog feature of Prestashop 1.7.6.7 allows remote attackers to execute arbitrary code via the add new file page.

Understanding CVE-2020-21967

This CVE involves a critical file upload vulnerability in a specific version of Prestashop, enabling attackers to run malicious code remotely.

What is CVE-2020-21967?

The vulnerability in Prestashop 1.7.6.7 permits attackers to upload files containing malicious code, potentially leading to the execution of arbitrary commands on the server.

The Impact of CVE-2020-21967

Exploitation of this vulnerability can result in severe consequences, including unauthorized access, data theft, and complete system compromise.

Technical Details of CVE-2020-21967

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The flaw in Prestashop 1.7.6.7 allows threat actors to upload files with malicious content, opening the door for remote code execution attacks.

Affected Systems and Versions

Product: Prestashop
Version: 1.7.6.7

Exploitation Mechanism

Attackers can leverage the vulnerability by uploading specially crafted files through the Catalog feature, exploiting the system to execute unauthorized commands.

Mitigation and Prevention

Protecting systems from CVE-2020-21967 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable file uploads in the affected feature to prevent exploitation.
Implement strict input validation to block malicious file uploads.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly update Prestashop to the latest secure version.
Conduct security audits to identify and address vulnerabilities proactively.
Educate users on safe file handling practices to mitigate risks.

Patching and Updates

Ensure timely installation of security patches released by Prestashop to address the vulnerability and enhance system security.