CVE-2021-2121 Explained : Impact and Mitigation

A vulnerability in Oracle VM VirtualBox prior to version 6.1.18 allows a high privileged attacker to compromise the system, potentially resulting in a denial of service attack.

Understanding CVE-2021-2121

This CVE pertains to a vulnerability in Oracle VM VirtualBox that could be exploited by an attacker with high privileges, leading to severe consequences.

What is CVE-2021-2121?

The vulnerability in Oracle VM VirtualBox allows a high privileged attacker to compromise the system, impacting the availability of services.

The Impact of CVE-2021-2121

Successful exploitation of this vulnerability can result in a denial of service attack, causing a hang or crash of Oracle VM VirtualBox, affecting system availability.

Technical Details of CVE-2021-2121

This section provides specific technical details related to CVE-2021-2121.

Vulnerability Description

The vulnerability in Oracle VM VirtualBox allows attackers to compromise the system, impacting additional products and potentially leading to a denial of service attack.

Affected Systems and Versions

The affected product is VM VirtualBox by Oracle Corporation, specifically versions prior to 6.1.18.

Exploitation Mechanism

The vulnerability in Oracle VM VirtualBox allows attackers with high privileges to exploit the system and cause a denial of service.

Mitigation and Prevention

To address CVE-2021-2121, specific steps need to be taken to mitigate risks and prevent exploitation.

Immediate Steps to Take

Immediately update Oracle VM VirtualBox to version 6.1.18 or higher to prevent exploitation of this vulnerability.

Long-Term Security Practices

Regularly update all software and maintain tight access controls to prevent unauthorized access to critical systems.

Patching and Updates

Stay informed about security updates and patches released by Oracle to address vulnerabilities like CVE-2021-2121.