CVE-2021-20178 Insertion of Sensitive Information into Log File in ansible

What is CVE-2021-20178?

CVE-2021-20178 is a medium-severity vulnerability in Fedoraproject Fedora, published on 26 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw was found in ansible module where credentials are disclosed in the console log by default and not protected by the security feature when using the bitbucket_pipeline_variable module. This flaw allows an attacker to steal bitbucket_pipeline credentials. The highest threat from this vulnerability is to confidentiality.

Weakness: CWE-532

Which versions are affected by CVE-2021-20178?

3 open source packages ship an affected version, including ansible. It affects 3 products.

Products include Fedoraproject Fedora, Redhat Ansible, Redhat Ansible Tower.

How do I fix CVE-2021-20178?

Upgrade ansible to 2.9.18 or later.

Is CVE-2021-20178 being exploited?

There is no known exploitation of CVE-2021-20178 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

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• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2021-20178, GHSA-wv5p-gmmv-wh9v, PYSEC-2021-106, UBUNTU-CVE-2021-20178.