← Vulnerability feed

Vulnerability record · CVE-2014-4657 · published 20 February 2020

CVE-2014-4657: Redhat ansible improper input validation vulnerability

Redhat · Ansible

The safe_eval function in Ansible before 1.5.4 does not properly restrict the code subset, which allows remote attackers to execute arbitrary code via crafted instructions.

9.8 CVSS 3.1 Critical EPSS 4.4% · top 9.0% CWE-20 · Improper input validation
9.8CVSS 3.1 base score, v2 7.5
4.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The safe_eval function in Ansible before 1.5.4 does not properly restrict the code subset, which allows remote attackers to execute arbitrary code via crafted instructions.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/ansible/ansible/blob/release1.5.5/CHANGELOG.md Release Notes
https://www.securityfocus.com/bid/68232 Third Party AdvisoryVDB Entry
https://github.com/ansible/ansible/blob/release1.5.5/CHANGELOG.md Release Notes
https://www.securityfocus.com/bid/68232 Third Party AdvisoryVDB Entry

Track CVE-2014-4657 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2014-4678Redhat ansible injection vulnerabilityThe safe_eval function in Ansible before 1.6.4 does not properly restrict the code subset, which allows remote attackers to execute arbitrary code vi…EPSS 5.2%9.8CVE-2014-4966Redhat ansible injection vulnerabilityAnsible before 1.6.7 does not prevent inventory data with "{{" and "lookup" substrings, and does not prevent remote data with "{{" substrings, which …EPSS 3.6%9.8CVE-2014-4967Redhat ansible injection vulnerabilityMultiple argument injection vulnerabilities in Ansible before 1.6.7 allow remote attackers to execute arbitrary code by leveraging access to an Ansib…EPSS 3.6%9.8CVE-2017-7550Redhat ansible sensitive information in log file vulnerabilityA flaw was found in the way Ansible (2.3.x before 2.3.3, and 2.4.x before 2.4.1) passed certain parameters to the jenkins_plugin module. Remote attac…EPSS 3.6%9.1CVE-2016-8628Redhat ansible command injection vulnerabilityAnsible before version 2.2.0 fails to properly sanitize fact variables sent from the Ansible controller. An attacker with the ability to create speci…EPSS 3.3%8.8CVE-2014-3498Redhat ansible improper input validation vulnerabilityThe user module in ansible before 1.6.6 allows remote authenticated users to execute arbitrary commands.EPSS 2.5%8.1CVE-2016-9587Redhat ansible improper input validation vulnerabilityAnsible 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 attacke…EPSS 17%8.0CVE-2017-7466Redhat ansible improper input validation vulnerabilityAnsible before version 2.3 has an input validation vulnerability in the handling of data sent from client systems. An attacker with control over a cl…EPSS 3.1%

Source: NIST National Vulnerability Database (record CVE-2014-4657), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.