#VU49876 Improper input validation in Oracle VM VirtualBox

Published: 2021-01-20

Vulnerability identifier: #VU49876

Vulnerability risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2127


Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Oracle VM VirtualBox
Server applications / Virtualization software

Vendor: Oracle


The vulnerability allows a local privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Install updates from vendor's website.

Vulnerable software versions

Oracle VM VirtualBox: 6.1.0 - 6.1.16

External links

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability