CVE-2021-22010 : What You Need to Know

The vCenter Server contains a denial-of-service vulnerability in VPXD service, allowing a malicious actor to create a denial of service condition by exploiting excessive memory consumption.

Understanding CVE-2021-22010

This CVE identifies a vulnerability in VMware vCenter Server and VMware Cloud Foundation versions.

What is CVE-2021-22010?

The vulnerability lies in the VPXD service of vCenter Server, enabling a DoS attack via network access to port 443.

The Impact of CVE-2021-22010

An attacker can cause a denial of service by consuming large amounts of memory on the VPXD service.

Technical Details of CVE-2021-22010

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw in VPXD service allows malicious actors to trigger a DoS condition by consuming an excessive amount of memory.

Affected Systems and Versions

VMware vCenter Server (7.x before 7.0 U2c and 6.7 before 6.7 U3o) and VMware Cloud Foundation (4.x before 4.3 and 3.x before 3.10.2.2) are affected.

Exploitation Mechanism

Exploitation involves leveraging network access to port 443 to overwhelm the VPXD service with memory consumption.

Mitigation and Prevention

Here are the steps to mitigate the risks associated with CVE-2021-22010.

Immediate Steps to Take

Users should apply the necessary security patches and updates provided by VMware promptly.

Long-Term Security Practices

Implement network security measures to restrict unauthorized access to critical ports and services.

Patching and Updates

Regularly monitor VMware security advisories and apply patches as soon as they are released to minimize the risk of exploitation.