CVE-2021-22015 : What You Need to Know
Learn about CVE-2021-22015, a vulnerability in VMware vCenter Server allowing unauthorized users to escalate privileges, impacting versions 6.5, 6.7, and 7.x. Take immediate steps to apply security patches.
A local privilege escalation vulnerability in VMware vCenter Server and VMware Cloud Foundation could allow an authenticated non-administrative user to escalate privileges to root.
Understanding CVE-2021-22015
This CVE pertains to local privilege escalation vulnerabilities in VMware products, enabling unauthorized privilege escalation for authenticated non-administrative users.
What is CVE-2021-22015?
The vulnerability in vCenter Server and Cloud Foundation allows lower-privileged users to gain root privileges, potentially leading to unauthorized access and control over the impacted systems.
The Impact of CVE-2021-22015
The exploitation of this vulnerability can result in a significant security risk as attackers could gain full control over affected systems, leading to unauthorized access, data theft, or disruption of services.
Technical Details of CVE-2021-22015
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability is rooted in improper file and directory permission settings within VMware vCenter Server and Cloud Foundation, allowing authenticated non-administrative users to elevate their privileges to root.
Affected Systems and Versions
VMware vCenter Server versions 7.x (before 7.0 U2c), 6.7 (before 6.7 U3o), and 6.5 (before 6.5 U3q) are affected, along with VMware Cloud Foundation versions 4.x (before 4.3) and 3.x (before 3.10.2.2).
Exploitation Mechanism
The vulnerability can be exploited by authenticated local users with non-administrative privileges, leveraging the improper permission settings to gain root access.
Mitigation and Prevention
To address and prevent the exploitation of CVE-2021-22015, consider the following mitigation strategies.
Immediate Steps to Take
Organizations are advised to apply the necessary security patches and updates provided by VMware to remediate the vulnerability.
Long-Term Security Practices
Implement robust access controls, regular security audits, and employee training to enhance the overall security posture and prevent unauthorized privilege escalation.
Patching and Updates
Ensure timely application of security patches and updates released by VMware to mitigate the risk of exploitation and secure the affected systems.