Learn about CVE-2023-48227 affecting Umbraco-CMS versions 8.0.0 to 8.18.10, 9.0.0 to 10.7.0, and 11.0.0 to 12.3.0. Understand the impact, technical details, and mitigation steps.
A security vulnerability has been identified in Umbraco CMS that could allow a backoffice user to bypass the "Publish" restriction under certain conditions.
Understanding CVE-2023-48227
This CVE affects Umbraco-CMS versions 8.0.0 to 8.18.10, 9.0.0 to 10.7.0, and 11.0.0 to 12.3.0. It falls under the problem type of 'Incorrect Authorization' (CWE-863).
What is CVE-2023-48227?
Umbraco is an ASP.NET content management system. The vulnerability allows backoffice users with send for approval permission but not publish permission to publish content in specific cases.
The Impact of CVE-2023-48227
The vulnerability could lead to unauthorized publishing of content, potentially resulting in data integrity issues.
Technical Details of CVE-2023-48227
The CVSS v3.1 base score for this vulnerability is 4.3, categorizing it as a medium severity issue with low privileges required and no user interaction.
Vulnerability Description
Umbraco-CMS versions between the specified ranges allow users with partial permissions to bypass the publish restriction, affecting data integrity.
Affected Systems and Versions
Umbraco-CMS versions 8.0.0 to 8.18.10, 9.0.0 to 10.7.0, and 11.0.0 to 12.3.0 are affected by this issue.
Exploitation Mechanism
Backoffice users with specific permissions granted can exploit this vulnerability to publish content without the required authorization.
Mitigation and Prevention
It is crucial to take immediate steps to secure affected systems and prevent unauthorized publishing in Umbraco CMS.
Immediate Steps to Take
Users are advised to update Umbraco-CMS to versions 8.18.10, 10.7.0, or 12.3.0, which contain patches for this vulnerability.
Long-Term Security Practices
Regularly review and adjust user permissions within the CMS to ensure proper access controls and minimize the risk of unauthorized actions.
Patching and Updates
Stay informed about security advisories and promptly apply patches provided by Umbraco to safeguard against known vulnerabilities.