CVE-2021-33335 : What You Need to Know
Learn about CVE-2021-33335, a privilege escalation vulnerability in Liferay Portal and DXP versions 7.0.3 to 7.3.4, allowing authenticated users to compromise a company administrator account.
A privilege escalation vulnerability in Liferay Portal 7.0.3 through 7.3.4, and Liferay DXP 7.1 before fix pack 20, and 7.2 before fix pack 9 allows remote authenticated users with permission to update/edit users to take over a company administrator user account by editing the company administrator user.
Understanding CVE-2021-33335
This section delves into the details of the CVE-2021-33335 vulnerability.
What is CVE-2021-33335?
CVE-2021-33335 highlights a privilege escalation flaw in Liferay Portal and Liferay DXP that enables remote authenticated users to compromise a company administrator account.
The Impact of CVE-2021-33335
This security vulnerability could lead to unauthorized access and control over critical company administrator privileges, posing a significant risk to affected systems.
Technical Details of CVE-2021-33335
Here, we explore the technical specifics of CVE-2021-33335.
Vulnerability Description
The flaw allows remote authenticated users to exploit permissions related to updating/editing users to take control of a company administrator account.
Affected Systems and Versions
Liferay Portal versions 7.0.3 through 7.3.4, Liferay DXP 7.1 before fix pack 20, and 7.2 before fix pack 9 are impacted by this vulnerability.
Exploitation Mechanism
By leveraging the permission to update/edit users, remote authenticated users can manipulate user accounts to seize control of a company administrator user.
Mitigation and Prevention
In this section, we cover the essential steps to mitigate and prevent CVE-2021-33335.
Immediate Steps to Take
System administrators should apply the recommended patches provided by Liferay to address this privilege escalation flaw promptly.
Long-Term Security Practices
Implement strict access control policies, regular security audits, and user permission reviews to prevent similar privilege escalation incidents in the future.
Patching and Updates
Stay updated on security advisories from Liferay and promptly install any security fixes or updates to protect systems from potential attacks.