---
title: "CVE-2018-19584\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-2018-19584?format=md
keywords: index, follow
---

# CVE-2018-19584

Publication date 10 July 2019

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2018-19584?format=md#impact-score)

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## Description

GitLab EE, versions 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5
before 11.5.1, is vulnerable to an insecure direct object reference
vulnerability that allows authenticated, but unauthorized, users to view
members and milestone details of private groups.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gitlab | 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**

7.5 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19584)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-19584)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-19584)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-19584)

### Other references

* <https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/>
* <https://www.cve.org/CVERecord?id=CVE-2018-19584>