CVE-2021-22006 Explained : Impact and Mitigation

A reverse proxy bypass vulnerability in VMware vCenter Server and VMware Cloud Foundation has been identified, allowing a malicious actor to access restricted endpoints through the exploitation of network access to port 443.

Understanding CVE-2021-22006

This section provides insights into the nature and impact of the CVE-2021-22006 vulnerability.

What is CVE-2021-22006?

The vCenter Server is susceptible to a reverse proxy bypass vulnerability due to how endpoints manage the URI. Exploitation by an attacker with access to port 443 on the server can lead to unauthorized access to restricted endpoints.

The Impact of CVE-2021-22006

The vulnerability poses a significant security risk as unauthorized access to restricted endpoints can result in the exposure of sensitive data and potential system compromise.

Technical Details of CVE-2021-22006

Explore the specific technical aspects of the CVE-2021-22006 vulnerability and its implications.

Vulnerability Description

The reverse proxy bypass vulnerability in VMware vCenter Server enables threat actors to bypass security controls and access privileged endpoints, potentially leading to data breaches or system compromise.

Affected Systems and Versions

VMware vCenter Server versions 7.x prior to 7.0 U2c and 6.7 prior to 6.7 U3o, along with VMware Cloud Foundation versions 4.x before 4.3 and 3.x before 3.10.2.2, are affected by CVE-2021-22006.

Exploitation Mechanism

Exploiting this vulnerability involves leveraging network access to port 443 on vCenter Server, allowing threat actors to interact with restricted endpoints and escalate privileges.

Mitigation and Prevention

Discover essential steps to mitigate the risks associated with CVE-2021-22006 and prevent exploitation.

Immediate Steps to Take

Organizations are advised to apply the necessary security patches, restrict network access to critical ports, and monitor for any unusual network activity to mitigate the threat of exploitation.

Long-Term Security Practices

Establish robust network segmentation, implement stringent access controls, conduct regular security assessments, and stay informed about security updates to enhance overall cybersecurity posture.

Patching and Updates

Regularly check for security updates and apply patches provided by VMware to address the CVE-2021-22006 vulnerability effectively.