CVE-2021-2145 Privilege escalation in VM VirtualBox

High 7.5 Published 22 Apr 2021 Updated 26 Sep 2024

A high-privileged attacker can compromise Oracle VM VirtualBox, leading to takeover of the virtualization environment and potential impact on additional products.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2021-2145?

CVE-2021-2145 is a high-severity vulnerability in Oracle Vm Virtualbox, published on 22 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H).

Which versions are affected by CVE-2021-2145?

It affects 1 product.

Products include Oracle Vm Virtualbox.

How do I fix CVE-2021-2145?

Upgrade to a fixed version.

Is CVE-2021-2145 being exploited?

There is no known exploitation of CVE-2021-2145 in the wild and no public exploit code.

All Oracle Vm Virtualbox vulnerabilities

Sources

Also known as GHSA-v3hf-m7m3-6crp, UBUNTU-CVE-2021-2145.