CVE-2021-39458 : Security Advisory and Response

This CVE record pertains to a vulnerability in Yakamara Media Redaxo CMS version 5.12.1 that allows an authenticated user to manipulate file backups, potentially leading to the exposure of database credentials.

Understanding CVE-2021-39458

This section provides an overview of the vulnerability identified in Yakamara Media Redaxo CMS.

What is CVE-2021-39458?

The vulnerability in version 5.12.1 of Yakamara Media Redaxo CMS enables an authenticated user to modify file backups, resulting in potential leakage of database credentials stored in environment variables.

The Impact of CVE-2021-39458

The exploitation of this vulnerability can lead to unauthorized access to sensitive database credentials, posing a significant security risk to the affected system.

Technical Details of CVE-2021-39458

In this section, we delve into the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows an authenticated CMS user to alter file backups, potentially exposing database credentials stored in environment variables.

Affected Systems and Versions

Product: Yakamara Media Redaxo CMS
Version: 5.12.1
Status: Affected

Exploitation Mechanism

The vulnerability is triggered by manipulating the import process error page, granting the authenticated user the ability to modify file backups and access database credentials.

Mitigation and Prevention

Here, we outline steps to mitigate and prevent exploitation of CVE-2021-39458.

Immediate Steps to Take

Disable file manipulation permissions for CMS users.
Regularly monitor and review file backup activity.

Long-Term Security Practices

Implement least privilege access controls.
Conduct regular security audits and penetration testing.

Patching and Updates

Apply the latest security patches provided by Yakamara Media Redaxo CMS.