5.5
MEDIUM
CVE-2021-20191
Ansible Credential Log Disclosure Vulnerability
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.

INFO

Published Date :

May 26, 2021, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 5:46 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-20191 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat ansible_tower
2 Redhat ansible
3 Redhat cisco_nx-os_collection
4 Redhat community_general_collection
5 Redhat community_network_collection
6 Redhat docker_community_collection
7 Redhat google_cloud_platform_ansible_collection
1 Oracle virtualization
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-20191.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-20191 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-20191 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1916813
    Added Reference https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Dec. 28, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html [No types assigned]
  • Initial Analysis by [email protected]

    Jun. 03, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1916813 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1916813 Issue Tracking, Vendor Advisory
    Added CPE Configuration OR *cpe:2.3:a:oracle:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:* versions up to (excluding) 2.8.19 *cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:* versions from (including) 2.9.0 up to (excluding) 2.9.18 *cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:* versions from (including) 2.10.0 up to (excluding) 2.10.7 *cpe:2.3:a:redhat:ansible_tower:3.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:cisco_nx-os_collection:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.0 *cpe:2.3:a:redhat:community_general_collection:*:*:*:*:*:ansible:*:* versions up to (excluding) 1.3.6 *cpe:2.3:a:redhat:community_general_collection:*:*:*:*:*:ansible:*:* versions from (including) 2.0.0 up to (excluding) 2.0.1 *cpe:2.3:a:redhat:community_network_collection:*:*:*:*:*:ansible:*:* versions up to (excluding) 1.3.2 *cpe:2.3:a:redhat:community_network_collection:*:*:*:*:*:ansible:*:* versions from (including) 2.0.0 up to (excluding) 2.0.1 *cpe:2.3:a:redhat:docker_community_collection:*:*:*:*:*:ansible:*:* versions up to (excluding) 1.2.2 *cpe:2.3:a:redhat:google_cloud_platform_ansible_collection:1.0.2:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-20191 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-20191 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.12331

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability