---
title: "CVE-2018-3091\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2018-3091?format=md
keywords: index, follow
---

# CVE-2018-3091

Publication date 18 July 2018

Last updated 11 July 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**6.3 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2018-3091?format=md#impact-score)

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## Description

Vulnerability in the Oracle VM VirtualBox component of Oracle
Virtualization (subcomponent: Core). The supported version that is affected
is Prior to 5.2.16. Easily exploitable vulnerability allows unauthenticated
attacker with logon to the infrastructure where Oracle VM VirtualBox
executes to compromise Oracle VM VirtualBox. Successful attacks require
human interaction from a person other than the attacker and while the
vulnerability is in Oracle VM VirtualBox, attacks may significantly impact
additional products. Successful attacks of this vulnerability can result in
unauthorized access to critical data or complete access to all Oracle VM
VirtualBox accessible data. CVSS 3.0 Base Score 6.3 (Confidentiality
impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N).

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| virtualbox | 26.04 LTS resolute | Needs evaluation |
| 25.10 questing | Ignored end of life, was needs-triage |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.10 oracular | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Needs evaluation |
| 23.10 mantic | Ignored end of life, was needs-triage |
| 23.04 lunar | Ignored end of life, was needs-triage |
| 22.10 kinetic | Ignored end of life, was needs-triage |
| 22.04 LTS jammy | Needs evaluation |
| 21.10 impish | Ignored end of life |
| 21.04 hirsute | Ignored end of life |
| 20.10 groovy | Ignored end of life |
| 20.04 LTS focal | Needs evaluation |
| 19.10 eoan | Ignored end of life |
| 19.04 disco | Ignored end of life |
| 18.10 cosmic | Ignored end of life |
| 18.04 LTS bionic | Needs evaluation |
| 17.10 artful | Ignored end of life |
| 16.04 LTS xenial | Needs evaluation |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.3 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Changed |
  | Confidentiality impact | High |
  | Integrity impact | None |
  | Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.3 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3091)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-3091)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-3091)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-3091)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2018-3091>