SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

EXPLOITHIGH 8.1EPSS 17.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 17.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
17.14% probability · 97th percentile
Public exploits
1 in Exploit-DB · first 9 January 2017
CISA KEV
Not listed
Weakness
CWE-20
Affected
redhat/ansible · ansible/ansible · redhat/openstack
Source
secalert@redhat.com
EPSS trend
0%10%20%27 October 2026: 17.14%27 October 202627 October 2026

EPSS 17.1% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-41013source ↗Ansible 2.1.4/2.2.1 - Command Executionlinux · Computestremote9 January 2017no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.