---
title: "CVE-2019-12431\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-2019-12431?format=md
keywords: index, follow
---

# CVE-2019-12431

Publication date 10 March 2020

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**4.3 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-12431?format=md#impact-score)

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## Description

An issue was discovered in GitLab Community and Enterprise Edition 8.13
through 11.11. Restricted users could access the metadata of private
milestones through the Search API. It has Improper Access Control.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gitlab | 19.04 disco | Not in release |
| 18.10 cosmic | 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)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

4.3 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 4.3 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12431)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-12431)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-12431)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-12431)

### Other references

* <https://about.gitlab.com/2019/06/03/security-release-gitlab-11-dot-11-dot-1-released/>
* <https://www.cve.org/CVERecord?id=CVE-2019-12431>