CVE-2020-10729

Name: CVE-2020-10729
Creator: NVD / NIST
Published: 2021-05-27T19:15:07.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2020-10729 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.43%

34.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Ansible Engine	< 2.9.6
Debian	Debian Linux	10.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1831089Issue Tracking, Vendor Advisory
https://github.com/ansible/ansible/issues/34144Exploit, Issue Tracking, Third Party Advisory
https://www.debian.org/security/2021/dsa-4950Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1831089Issue Tracking, Vendor Advisory
https://github.com/ansible/ansible/issues/34144Exploit, Issue Tracking, Third Party Advisory
https://www.debian.org/security/2021/dsa-4950Third Party Advisory

Timeline

Published: May 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10729?

How severe is CVE-2020-10729?

CVE-2020-10729 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10729?

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-2020-10729?

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

Scan your code now

Source: NVD / NIST