CVE-2021-2124

FAUCET Score

CVE-2021-2124 is a vulnerability in Oracle VM VirtualBox versions prior to 6.1.18, specifically affecting the Core component. A highly privileged attacker with logon access to the VirtualBox infrastructure can exploit this to cause a complete denial of service (DoS) by hanging or crashing the application. This vulnerability has a CVSS 3.1 Base Score of 6.0 (Medium) due to its local attack vector and high impact on availability, despite requiring high privileges. There is currently no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 6.1.18CPE matchmatch criteria	cpe:2.3:a:oracle:vm_virtualbox::::::::

CVSS Data

CVSS version used by this source: 3.1

6.0MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

1.5

Impact Score

4.0

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.45%

Probability of exploitation in next 30 days

EPSS Percentile

36.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0045 is in the 87th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

oraclevendor investigatingvia nvd_reference

View patch

References

security.gentoo.org / glsa/202101-15

Third Party Advisory

oracle.com / security-alerts/cpujan2021.html

Vendor Advisory