---
title: "CVE-2018-3258\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-2018-3258?format=md
keywords: index, follow
---

# CVE-2018-3258

Publication date 17 October 2018

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**8.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2018-3258?format=md#impact-score)

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## Description

Vulnerability in the MySQL Connectors component of Oracle MySQL
(subcomponent: Connector/J). Supported versions that are affected are
8.0.12 and prior. Easily exploitable vulnerability allows low privileged
attacker with network access via multiple protocols to compromise MySQL
Connectors. Successful attacks of this vulnerability can result in takeover
of MySQL Connectors. CVSS 3.0 Base Score 8.8 (Confidentiality, Integrity
and Availability impacts). CVSS Vector:
(CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| mysql-connector-java | 19.04 disco | Not in release |
| 18.10 cosmic | Ignored end of life |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |

---

* [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**

8.8 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.8 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3258)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-3258)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-3258)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-3258)

### Other references

* <http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html>
* <http://www.securitytracker.com/id/1041888>
* <https://security.netapp.com/advisory/ntap-20181018-0002/>
* <https://www.cve.org/CVERecord?id=CVE-2018-3258>