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CVE-2008-3431

8.8, high Known exploited

Oracle VirtualBox Insufficient Input Validation Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
8.8, high high CVSS v3.1
EPSS, next 30 days
7% higher than 93.9% of scored CVEs
Exploitation
Confirmed in the wild
Published
5 Aug 200818 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 3 Mar 2022. US federal agencies had to remediate by 24 Mar 2022, a deadline that has passed.

Required action. Apply updates per vendor instructions.

Description

The VBoxDrvNtDeviceControl function in VBoxDrv.sys in Sun xVM VirtualBox before 1.6.4 uses the METHOD_NEITHER communication method for IOCTLs and does not properly validate a buffer associated with the Irp object, which allows local users to gain privileges by opening the \\.\VBoxDrv device and calling DeviceIoControl to send a crafted kernel address.

Details

Vendor
Oracle
Product
Virtualbox
Weakness
n/a
Status
Analyzed
Updated
16 Jun 2026
Assigner
cve@mitre.org

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

References 12

Exploit code 3

Advisories 5

Other references 4

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

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Every Oracle CVE we hold

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Beyond this page

Is CVE-2008-3431 in your network?

This page tells you how dangerous CVE-2008-3431 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2008-3431 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2008-3431 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.