CVE-2023-21999

Authenticated read and modification of accessible data

Published Apr 18, 2023 · Updated Sep 13, 2024

Oracle VM VirtualBox Core before 6.1.44 and before 7.0.8 allows local users to read, modify, or delete some accessible data. Oracle has not published the vulnerable function, data path, or incorrect operation in the Core component. Exploitation requires a low-privileged local account and high-complexity conditions; impact is limited to a subset of readable data and some writable VirtualBox-accessible data.

CVSS severity3.6
Low
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Oracle VM VirtualBox Core before 6.1.44 and before 7.0.8 allows local users to read, modify, or delete some accessible data. Oracle has not published the vulnerable function, data path, or incorrect operation in the Core component. Exploitation requires a low-privileged local account and high-complexity conditions; impact is limited to a subset of readable data and some writable VirtualBox-accessible data.

The record

CVE
CVE-2023-21999
Published
Apr 18, 2023
Updated
Sep 13, 2024
Vendor
Oracle Corporation
Product
Oracle VM VirtualBox
Classifications
T1565.001, T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 18, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 13, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=* <6.1.44
  2. Affected versionversion=* <7.0.8

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Oracle Corporation · Oracle VM VirtualBoxversion=* <6.1.44; version=* <7.0.8

Published CVSS scores

3.6Oracle CorporationCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1565.001Stored Data Manipulation
T1005Data from Local System

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo