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CVE-2021-2128

22
FAUCET Score

CVE-2021-2128 is a vulnerability in Oracle VM VirtualBox versions prior to 6.1.18, specifically affecting the Core component. A low-privileged attacker with local logon access to the VirtualBox infrastructure can exploit this vulnerability, leading to unauthorized access to critical or all VirtualBox-accessible data. With a CVSS 3.1 Base Score of 6.5 (Medium), this easily exploitable flaw primarily impacts confidentiality. Currently, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.1.18CPE matchmatch criteria
cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.0
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 92nd percentile among its peer group of 15,940 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