CVE-2021-2074

High-privilege takeover through undisclosed Core flaw

Published Jan 20, 2021 · Updated Sep 26, 2024

Unspecified flaw in the Core component of Oracle VM VirtualBox before 6.1.18 allows local users with high privileges to take over VirtualBox. Oracle has not published the vulnerable code locus or the incorrect operation that permits the Core component to be compromised. Exploitation requires a high-privileged logon to the host infrastructure and can cross the product security boundary, affecting confidentiality, integrity, and availability.

CVSS severity8.2
High
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unspecified flaw in the Core component of Oracle VM VirtualBox before 6.1.18 allows local users with high privileges to take over VirtualBox. Oracle has not published the vulnerable code locus or the incorrect operation that permits the Core component to be compromised. Exploitation requires a high-privileged logon to the host infrastructure and can cross the product security boundary, affecting confidentiality, integrity, and availability.

The record

CVE
CVE-2021-2074
Published
Jan 20, 2021
Updated
Sep 26, 2024
Vendor
Oracle Corporation
Product
Oracle VM VirtualBox
Classifications
Unavailable
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Jan 20, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 26, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <6.1.18

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Oracle Corporation · Oracle VM VirtualBoxversion=unspecified <6.1.18

Published CVSS scores

4.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:P
8.2Oracle CorporationCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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