CVE-2021-22020 : What You Need to Know
Learn about CVE-2021-22020, a denial-of-service vulnerability in VMware vCenter Server and Cloud Foundation, potentially allowing attackers to disrupt services. Find out how to mitigate the risks.
A denial-of-service vulnerability has been identified in VMware vCenter Server and VMware Cloud Foundation, potentially allowing attackers to disrupt the services.
Understanding CVE-2021-22020
This CVE involves a vulnerability in the Analytics service of vCenter Server, which could lead to a denial-of-service attack.
What is CVE-2021-22020?
The vCenter Server is impacted by a denial-of-service vulnerability that, if successfully exploited, could result in a denial-of-service situation on the server.
The Impact of CVE-2021-22020
The vulnerability could allow malicious actors to disrupt the normal functioning of vCenter Server, potentially causing service unavailability.
Technical Details of CVE-2021-22020
This section covers specific technical information related to the CVE.
Vulnerability Description
The vulnerability exists in the Analytics service of VMware vCenter Server, affecting versions 7.x before 7.0 U2c and 6.7 before 6.7 U3o, as well as VMware Cloud Foundation versions 4.x before 4.3 and 3.x before 3.10.2.2.
Affected Systems and Versions
VMware vCenter Server versions 7.x (before 7.0 U2c) and 6.7 (before 6.7 U3o), along with VMware Cloud Foundation versions 4.x (before 4.3) and 3.x (before 3.10.2.2), are vulnerable to this issue.
Exploitation Mechanism
Successful exploitation of this vulnerability could enable threat actors to launch denial-of-service attacks on the vCenter Server, impacting its availability.
Mitigation and Prevention
In this section, you will find recommendations to mitigate the risks associated with CVE-2021-22020.
Immediate Steps to Take
Users are advised to apply security patches provided by VMware to address the vulnerability and prevent potential attacks.
Long-Term Security Practices
To enhance system security, it is advisable to follow best practices such as regularly updating software, implementing network security measures, and monitoring for unusual activities.
Patching and Updates
Stay informed about security updates released by VMware for vCenter Server and Cloud Foundation to safeguard your systems against known vulnerabilities.