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HIGH

CVE-2016-9587

CVSS v3

8.1

HIGH

EPSS Score

17.1 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • ansiblePyPIall versions · fixed in 2.1.4.0

Vendor advisories

  • CVE-2016-9587 Red Hat Product Security51 products fixed · 2 known affected

    Ansible: Compromised remote hosts can lead to running commands on the Ansible controller

    ansible.src as a component of Red Hat OpenStack Platform 11 (Ocata) · ansible.src as a component of Red Hat Quickstart Cloud Installer 1

  • RHSA-2017:1685 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: ansible security, bug fix, and enhancement update

  • RHSA-2017:0515 Red Hat Product Security8 products fixed

    Red Hat Security Advisory: ansible and ceph-ansible security, bug fix, and enhancement update

  • RHSA-2017:0448 Red Hat Product Security32 products fixed

    Red Hat Security Advisory: ansible and openshift-ansible security and bug fix update

  • RHSA-2017:0260 Red Hat Product Security6 products fixed

    Red Hat Security Advisory: ansible and gdeploy security and bug fix update

  • RHSA-2017:0195 Red Hat Product Security2 products fixed

    Red Hat Security Advisory: ansible security update

Full record on NVD

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.

Technical details

Published
2018-04-24
Exploit-DB
EDB-41013

Frequently asked questions

What is CVE-2016-9587?

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.

Is CVE-2016-9587 actively exploited?

Active exploitation of CVE-2016-9587 has not been confirmed. Its EPSS score was 17.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-9587?

CVE-2016-9587 has a CVSS v3 base score of 8.1 (HIGH severity).

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