CVE-2024-21622 : Vulnerability Insights and Analysis

Craft CMS, a content management system, has been identified with a potential moderate impact and low complexity privilege escalation vulnerability. This vulnerability affects Craft versions starting from 3.x prior to 3.9.6 and 4.x prior to 4.4.16 when certain user permissions setups are in place. It has been addressed in Craft versions 4.4.16 and Craft 3.9.6. Users are advised to ensure they are running at least these patched versions.

What is CVE-2024-21622?

Craft CMS is a popular content management system. The CVE-2024-21622 vulnerability is classified as a privilege escalation issue within Craft CMS versions prior to 3.9.6 and 4.4.16. This vulnerability could allow attackers to escalate their privileges under certain user permission configurations, potentially leading to unauthorized access to sensitive information or functions within the CMS.

The Impact of CVE-2024-21622

The impact of this vulnerability is moderate, with a base severity rating of MEDIUM. The vulnerability requires low privileges to exploit and can result in a change of scope within the affected system. While the confidentiality impact is rated as NONE, the integrity impact is low and the availability impact is also low. Attack vector is described as ADJACENT_NETWORK with low attack complexity.

Technical Details of CVE-2024-21622

Vulnerability Description

The vulnerability arises from improper privilege management within Craft CMS versions prior to 3.9.6 and 4.4.16, allowing for privilege escalation under specific user permission configurations.

Affected Systems and Versions

Craft CMS versions affected by this vulnerability include:

Craft CMS 4.x versions from >= 4.0.0-RC1 to < 4.5.11
Craft CMS 3.x versions from >= 3.0.0 to < 3.9.6

Exploitation Mechanism

Attackers can exploit this vulnerability to escalate their privileges within the Craft CMS environment by leveraging the specific user permission setups present in affected versions.

Mitigation and Prevention

To address CVE-2024-21622 and mitigate the associated risks, users and administrators are advised to take the following steps:

Immediate Steps to Take

Upgrade Craft CMS to version 4.4.16 or later for Craft 4.x users, and version 3.9.6 or later for Craft 3.x users.
Review and adjust user permissions to minimize the risk of privilege escalation.
Regularly monitor for any unauthorized access or unusual activity within the CMS.

Long-Term Security Practices

Stay informed about security advisories and updates provided by Craft CMS.
Implement a robust user permission management strategy to prevent privilege escalation vulnerabilities.
Conduct regular security audits and penetration testing to identify and address any potential vulnerabilities proactively.

Patching and Updates

Craft CMS has released patches to address CVE-2024-21622 in versions 4.4.16 and 3.9.6. Users are strongly encouraged to apply these updates promptly to secure their systems against this privilege escalation vulnerability.