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Vulnerability record · CVE-2017-7481 · published 19 July 2018

CVE-2017-7481: Redhat openshift container platform improper input validation vulnerability

Redhat · Openshift Container Platform

Ansible before versions 2.3.1.0 and 2.4.0.0 fails to properly mark lookup-plugin results as unsafe. If an attacker could control the results of lookup() calls, they could inject Unicode strings to be parsed by the jinja2 templating system, resulting in code execution. By default, the jinja2 templating language is now marked as 'unsafe' and is not evaluated.

9.8 CVSS 3.1 Critical EPSS 4.8% · top 8.4% CWE-20 · Improper input validation
9.8CVSS 3.1 base score, v2 7.5
4.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
22References
17 Jun 2026Last modified by NVD

Description

Ansible before versions 2.3.1.0 and 2.4.0.0 fails to properly mark lookup-plugin results as unsafe. If an attacker could control the results of lookup() calls, they could inject Unicode strings to be parsed by the jinja2 templating system, resulting in code execution. By default, the jinja2 templating language is now marked as 'unsafe' and is not evaluated.

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/98492 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1244 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1334 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1476 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1499 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1599 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:2524 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7481 Issue TrackingPatchVendor Advisory
https://github.com/ansible/ansible/commit/ed56f51f185a1ffd7ea57130d260098686fcc7c2 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00023.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/4072-1/ Third Party Advisory
http://www.securityfocus.com/bid/98492 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1244 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1334 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1476 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1499 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1599 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:2524 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7481 Issue TrackingPatchVendor Advisory
https://github.com/ansible/ansible/commit/ed56f51f185a1ffd7ea57130d260098686fcc7c2 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00023.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/4072-1/ Third Party Advisory

Track CVE-2017-7481 inside VULONE

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

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Source: NIST National Vulnerability Database (record CVE-2017-7481), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.