CVE-2021-22011 Explained : Impact and Mitigation

A security vulnerability, known as CVE-2021-22011, has been identified in VMware vCenter Server and VMware Cloud Foundation. This vulnerability could allow a malicious actor to exploit an unauthenticated API endpoint in the vCenter Server Content Library, potentially leading to unauthorized VM network setting manipulation.

Understanding CVE-2021-22011

This section will delve into the details of the CVE-2021-22011 vulnerability.

What is CVE-2021-22011?

The CVE-2021-22011 vulnerability affects VMware vCenter Server and VMware Cloud Foundation by exposing an unauthenticated API endpoint in the vCenter Server Content Library. By leveraging this vulnerability, a threat actor with network access to port 443 on vCenter Server could carry out unauthorized VM network setting manipulations.

The Impact of CVE-2021-22011

The exploitation of CVE-2021-22011 could result in unauthorized access to VM network settings, potentially leading to data breaches, network disruptions, and other security incidents.

Technical Details of CVE-2021-22011

Let's explore the technical aspects of CVE-2021-22011 in more depth.

Vulnerability Description

The vulnerability arises from an unauthenticated API endpoint within the vCenter Server Content Library, enabling malicious actors to manipulate VM network settings without authentication.

Affected Systems and Versions

VMware vCenter Server versions 7.x before 7.0.2 U2d, 6.7 before 6.7 U3o, and 6.5 before 6.5 U3q, along with VMware Cloud Foundation versions 4.x before 4.3.1 and 3.x before 3.10.2.2, are impacted by CVE-2021-22011.

Exploitation Mechanism

Threat actors with network access to port 443 on vCenter Server can exploit this vulnerability to conduct unauthorized VM network setting manipulations.

Mitigation and Prevention

Discover how to mitigate the risks associated with CVE-2021-22011 and prevent potential security incidents.

Immediate Steps to Take

Organizations should promptly apply security patches provided by VMware to address the vulnerability. Additionally, consider restricting network access to vulnerable systems and monitoring for any unauthorized activities.

Long-Term Security Practices

Implement comprehensive security measures, such as network segmentation, access controls, and regular security assessments to enhance overall security posture.

Patching and Updates

Stay informed about security advisories from VMware and apply patches and updates regularly to address vulnerabilities and strengthen the security of VMware vCenter Server and Cloud Foundation installations.