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Vulnerability record · CVE-2021-20191 · published 26 May 2021

CVE-2021-20191: Oracle virtualization sensitive information in log file vulnerability

Oracle · Virtualization

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.

5.5 CVSS 3.1 Medium EPSS 0.35% · top 74.0% CWE-532 · Sensitive information in log file
5.5CVSS 3.1 base score, v2 2.1
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1916813 Issue TrackingVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html
https://bugzilla.redhat.com/show_bug.cgi?id=1916813 Issue TrackingVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-20191), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.