CVE-2021-23264 : Exploit Details and Defense Strategies

This CVE-2021-23264 relates to Crafter CMS versions prior to 3.1.15 being vulnerable to unauthenticated remote attackers manipulating search indexes. The vulnerability involves the exposure of private resources into unintended areas and the unauthorized access to crafter-search.

Understanding CVE-2021-23264

This section delves into the details of the CVE-2021-23264 vulnerability, highlighting its impact and how it can be mitigated.

What is CVE-2021-23264?

The CVE-2021-23264 vulnerability in Crafter CMS versions below 3.1.15 allows unauthenticated remote attackers to create, view, and delete search indexes if crafter-search is unprotected.

The Impact of CVE-2021-23264

The severity of this vulnerability is rated as HIGH with a CVSS base score of 8.1. It can result in high confidentiality, integrity, and availability impacts as attackers can manipulate search indexes without authentication.

Technical Details of CVE-2021-23264

This section provides a deeper insight into the technical aspects of CVE-2021-23264, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows unauthenticated remote attackers to access and manipulate search indexes in Crafter CMS versions prior to 3.1.15 by exploiting unprotected crafter-search functionality.

Affected Systems and Versions

Crafter CMS versions before 3.1.15 are impacted by this vulnerability, specifically when crafter-search is not adequately protected.

Exploitation Mechanism

Attackers can exploit this vulnerability over the network without requiring any special privileges, potentially leading to severe consequences due to the exposure of private resources.

Mitigation and Prevention

In response to CVE-2021-23264, it is crucial to take immediate actions to secure the affected systems and prevent unauthorized access to search indexes.

Immediate Steps to Take

A recommended immediate step is to disable remote access to crafter-search to mitigate unauthorized manipulation of search indexes.

Long-Term Security Practices

Employing a comprehensive security approach, including implementing proper access controls and regular security assessments, can help prevent similar vulnerabilities in the future.

Patching and Updates

Ensure that Crafter CMS is updated to the latest version (3.1.15 or above) to patch the vulnerability and enhance the overall security posture.