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Vulnerability record · CVE-2020-10729 · published 27 May 2021

CVE-2020-10729: Redhat ansible engine vulnerability

Redhat · Ansible Engine

A flaw was found in the use of insufficiently random values in Ansible. Two random password lookups of the same length generate the equal value as the template caching action for the same file since no re-evaluation happens. The highest threat from this vulnerability would be that all passwords are exposed at once for the file. This flaw affects Ansible Engine versions before 2.9.6.

5.5 CVSS 3.1 Medium EPSS 0.44% · top 64.1% CWE-330 · CWE-330
5.5CVSS 3.1 base score, v2 2.1
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A flaw was found in the use of insufficiently random values in Ansible. Two random password lookups of the same length generate the equal value as the template caching action for the same file since no re-evaluation happens. The highest threat from this vulnerability would be that all passwords are exposed at once for the file. This flaw affects Ansible Engine versions before 2.9.6.

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

Affected products

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

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1831089 Issue TrackingVendor Advisory
https://github.com/ansible/ansible/issues/34144 ExploitIssue TrackingThird Party Advisory
https://www.debian.org/security/2021/dsa-4950 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1831089 Issue TrackingVendor Advisory
https://github.com/ansible/ansible/issues/34144 ExploitIssue TrackingThird Party Advisory
https://www.debian.org/security/2021/dsa-4950 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-10729), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.