---
title: "CVE-2018-17451\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-2018-17451?format=md
keywords: index, follow
---

# CVE-2018-17451

Publication date 15 April 2023

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-2018-17451?format=md#impact-score)

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## Description

An issue was discovered in GitLab Community and Enterprise Edition before
11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Cross Site
Request Forgery (CSRF) in the Slack integration for issuing slash commands.

## Status

Show unmaintained releases

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

8.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | 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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17451)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-17451)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-17451)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-17451)

### Other references

* <https://about.gitlab.com/2018/10/01/security-release-gitlab-11-dot-3-dot-1-released/>
* <https://www.cve.org/CVERecord?id=CVE-2018-17451>