Home/CVE/A flaw was found in ansible. Credentials, such as secrets, are being disclosed in console log by default and not protect
CVE

CVE-2021-20191

A flaw was found in ansible. Credentials, such as secrets, are being disclosed in console log by default and not protect

A flaw was found in ansible. Credentials, such as secrets, are being disclosed in console log by default and not protected by no_log feature when using those modules. An attacker can take advantage of this information to steal those credentials.

The highest threat from this vulnerability is to data confidentiality. Versions before ansible 2.9.18 are affected.

MEDIUM · CVSS 5.5 EPSS 0.00024
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0

Weakness Classification

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI ansible MODERATE fixed in 2.9.18rc1

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPowershell Detect Virtualization Environment

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 May 2021 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Vendor Advisories

14
suse-csafopenSUSE-SU-2025:15753-1
suse-csafopenSUSE-SU-2025:15605-1
suse-csafopenSUSE-SU-2024:14536-1
suse-csafopenSUSE-SU-2024:14244-1
suse-csafopenSUSE-SU-2024:10615-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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