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CVE

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 fr

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.

HIGH · CVSS 8.1 EPSS 0.03045
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-20Improper Input Validation
▤

Affected Products & Versions

3
redhat ansible< 2.1.4
ansible< 2.2.1
redhat openstackall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI ansible CRITICAL fixed in 2.1.4.0
⚠

Public Exploits & PoCs

2
remoteAnsible 2.1.4/2.2.1 - Command Execution2017-01-09
pocwww.exploit-db.com · 41013www.exploit-db.com
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Apr 2018 · 04:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

21
suse-csafopenSUSE-SU-2025:15753-1
suse-csafopenSUSE-SU-2025:15605-1
suse-csafopenSUSE-SU-2024:14536-1
suse-csafopenSUSE-SU-2024:14244-1
suse-csafopenSUSE-SU-2024:10615-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://rhn.redhat.com/errata/RHSA-2017-0195.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0260.htmlThird Party Advisory
http://www.securityfocus.com/bid/95352Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9587Issue TrackingThird Party Advisory
https://security.gentoo.org/glsa/201701-77Third Party Advisory
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