CVE-2021-33327 : Vulnerability Insights and Analysis
Learn about CVE-2021-33327 impacting Liferay Portal and DXP versions, allowing remote authenticated users to view user roles even with 'Role Visibility' enabled. Find mitigation steps here.
A detailed overview of CVE-2021-33327 highlighting the vulnerability in Liferay Portal and Liferay DXP, impacting user permissions and role visibility.
Understanding CVE-2021-33327
This section provides insights into the nature and consequences of the vulnerability.
What is CVE-2021-33327?
The Portlet Configuration module in Liferay Portal 7.2.0 through 7.3.3, and Liferay DXP 7.0 fix pack 93 and 94, 7.1 fix pack 18, and 7.2 before fix pack 8 does not properly verify user permissions. This flaw enables remote authenticated users to access the Guest and User roles even with 'Role Visibility' enabled.
The Impact of CVE-2021-33327
The vulnerability allows unauthorized users to view sensitive role information, potentially leading to unauthorized access and security breaches.
Technical Details of CVE-2021-33327
Explore the technical specifics of the CVE to understand its implications fully.
Vulnerability Description
The issue arises from the lack of proper validation of user permissions within the Portlet Configuration module of Liferay Portal and Liferay DXP, exposing role information improperly.
Affected Systems and Versions
Liferay Portal versions 7.2.0 to 7.3.3 and Liferay DXP versions 7.0, 7.1, and early 7.2 builds are impacted by this security flaw.
Exploitation Mechanism
Remote authenticated users can exploit this vulnerability to bypass security controls and gain unauthorized access to role information within the portal.
Mitigation and Prevention
Discover the necessary steps to protect your systems from CVE-2021-33327.
Immediate Steps to Take
Security teams should apply relevant patches and updates released by Liferay to address this vulnerability promptly.
Long-Term Security Practices
Regular security audits, user permission reviews, and monitoring can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories from Liferay and apply patches as soon as they are available to ensure system integrity and data confidentiality.