---
title: "CVE-2016-9587\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-2016-9587?format=md
keywords: index, follow
---

# CVE-2016-9587

Publication date 24 April 2018

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**8.1 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2016-9587?format=md#impact-score)

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## Description

Ansible before versions 2.1.4, 2.2.1 is vulnerable to an improper input
validation in Ansible's handling of data sent from client systems. An
attacker with control over a client system being managed by Ansible and the
ability to send facts back to the Ansible server could use this flaw to
execute arbitrary code on the Ansible server using the Ansible server
privileges.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ansible | 18.04 LTS bionic | Not affected |
| 17.10 artful | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Fixed 2.0.0.2-2ubuntu1.1 |
| 14.04 LTS trusty | Not affected |
| 12.04 LTS precise | 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**

8.1 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.1 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9587)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-9587)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-9587)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-9587)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2016-9587>