CVE-2021-39608 : Security Advisory and Response

CVE-2021-39608 details a Remote Code Execution (RCE) vulnerability found in FlatCore-CMS 2.0.7 through the upload addon plugin, enabling unauthorized execution of arbitrary PHP code.

Understanding CVE-2021-39608

This section provides an overview of the vulnerability.

What is CVE-2021-39608?

CVE-2021-39608 is an RCE vulnerability in FlatCore-CMS 2.0.7 that allows a remote attacker to execute arbitrary PHP code using the upload addon plugin.

The Impact of CVE-2021-39608

The vulnerability can have severe consequences, enabling attackers to remotely execute malicious PHP code on the affected system, potentially compromising its security.

Technical Details of CVE-2021-39608

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The RCE vulnerability in FlatCore-CMS 2.0.7 through the upload addon plugin permits remote malicious users to execute arbitrary PHP code.

Affected Systems and Versions

Affected Product: N/A
Affected Vendor: N/A
Affected Version: N/A

Exploitation Mechanism

The vulnerability arises from inadequate input validation in the upload addon plugin, allowing attackers to upload PHP files and execute them remotely.

Mitigation and Prevention

Tips to mitigate the risk of CVE-2021-39608.

Immediate Steps to Take

Disable or remove the upload addon plugin in FlatCore-CMS 2.0.7 if not essential.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly update FlatCore-CMS to the latest version.
Implement strong input validation and security mechanisms to prevent similar vulnerabilities.

Patching and Updates

Apply patches or updates released by FlatCore-CMS to address the RCE vulnerability.