CVE-2014-4966

Name: CVE-2014-4966
Creator: NVD / NIST
Published: 2020-02-18T15:15:11.863+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.43%

Last modified Jun 17, 2026

CVE-2014-4966 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Ansible before 1.6.7 does not prevent inventory data with "{{" and "lookup" substrings, and does not prevent remote data with "{{" substrings, which allows remote attackers to execute arbitrary code via (1) crafted lookup('pipe') calls or (2) crafted Jinja2 data.. EPSS estimates a 3.43% chance of exploitation in the next 30 days.

Description

Ansible before 1.6.7 does not prevent inventory data with "{{" and "lookup" substrings, and does not prevent remote data with "{{" substrings, which allows remote attackers to execute arbitrary code via (1) crafted lookup('pipe') calls or (2) crafted Jinja2 data.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.43%

87.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Redhat	Ansible	< 1.6.7

References

http://www.ocert.org/advisories/ocert-2014-004.htmlThird Party Advisory
https://github.com/ansible/ansible/commit/62a1295a3e08cb6c3e9f1b2a1e6e5dcaeab32527Patch, Third Party Advisory
http://www.ocert.org/advisories/ocert-2014-004.htmlThird Party Advisory
https://github.com/ansible/ansible/commit/62a1295a3e08cb6c3e9f1b2a1e6e5dcaeab32527Patch, Third Party Advisory

Timeline

Published: Feb 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-4966?

How severe is CVE-2014-4966?

CVE-2014-4966 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.43% probability of exploitation in the next 30 days.

How do I fix CVE-2014-4966?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-4966?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST