---
title: "CVE-2019-18901\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-2019-18901?format=md
keywords: index, follow
---

# CVE-2019-18901

Publication date 2 March 2020

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**5.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-18901?format=md#impact-score)

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## Description

A UNIX Symbolic Link (Symlink) Following vulnerability in the
mysql-systemd-helper of the mariadb packaging of SUSE Linux Enterprise
Server 12, SUSE Linux Enterprise Server 15 allows local attackers to change
the permissions of arbitrary files to 0640. This issue affects: SUSE Linux
Enterprise Server 12 mariadb versions prior to 10.2.31-3.25.1. SUSE Linux
Enterprise Server 15 mariadb versions prior to 10.2.31-3.26.1.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2019-18901?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| mariadb-10.0 | 19.10 eoan | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| mariadb-10.1 | 19.10 eoan | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| mariadb-10.3 | 19.10 eoan | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| mariadb-5.5 | 19.10 eoan | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| mysql-5.5 | 19.10 eoan | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.04 vivid | Not in release |
| 14.04 LTS trusty | Not affected |
| mysql-5.6 | 19.10 eoan | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| mysql-5.7 | 19.10 eoan | Not in release |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| mysql-8.0 | 19.10 eoan | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| percona-server-5.6 | 19.10 eoan | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| percona-xtradb-cluster-5.5 | 19.10 eoan | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| percona-xtradb-cluster-5.6 | 19.10 eoan | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not affected |
| 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)

## Notes

---

### [leosilva](https://launchpad.net/~leosilva)

since 5.5 is no longer upstream supported and so far we cannot
patch it, marking it as ignored.

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

This CVE is for a SUSE specific script.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.5 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18901)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-18901)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-18901)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-18901)

### Other references

* <https://bugzilla.suse.com/show_bug.cgi?id=1160895>
* <https://www.cve.org/CVERecord?id=CVE-2019-18901>