CVE-2021-20228

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-04-29 · updated 2026-06-17
Weakness: CWE-200

Description

A flaw was found in the Ansible Engine 2.9.18, where sensitive info is not masked by default and is not protected by the no_log feature when using the sub-option feature of the basic.py module. This flaw allows an attacker to obtain sensitive information. The highest threat from this vulnerability is to confidentiality.

Affected products

Debian Linux: 10.0
Red Hat Ansible Automation Platform: 1.2
RedHat Ansible Engine: 2.9.18, 2.0, 2.9
Tower: 3.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1925002
https://github.com/ansible/ansible/pull/73487
https://www.debian.org/security/2021/dsa-4950
https://bugzilla.redhat.com/show_bug.cgi?id=1925002
https://github.com/ansible/ansible/pull/73487
https://www.debian.org/security/2021/dsa-4950

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