CVE-2021-39189 : Exploit Details and Defense Strategies

Pimcore, an open-source data management platform, has a vulnerability in versions prior to 10.1.3 that allows for username enumeration through the forgot password feature. This CVE has a CVSS base score of 5.3.

Understanding CVE-2021-39189

This section provides an overview of the observable response discrepancy vulnerability in Pimcore.

What is CVE-2021-39189?

CVE-2021-39189 is a vulnerability in Pimcore versions before 10.1.3, allowing attackers to enumerate usernames via the forgot password functionality.

The Impact of CVE-2021-39189

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 5.3. It has a low confidentiality impact and no integrity impact.

Technical Details of CVE-2021-39189

In this section, we dive into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in Pimcore versions prior to 10.1.3 enables attackers to enumerate usernames through the forgot password feature.

Affected Systems and Versions

Product: Pimcore
Vendor: Pimcore
Versions Affected: < 10.1.3

Exploitation Mechanism

The vulnerability can be exploited by leveraging the forgot password functionality to enumerate valid usernames.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-39189.

Immediate Steps to Take

Upgrade Pimcore to version 10.1.3 to fix the vulnerability.
Manually apply the available patch as a workaround.

Long-Term Security Practices

Regularly update Pimcore to the latest version to prevent future vulnerabilities.
Educate users on secure password practices to enhance overall security.

Patching and Updates

Ensure timely installation of security patches and updates to stay protected against known vulnerabilities.