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CVE-2021-3620

21
FAUCET Score

CVE-2021-3620 is a medium-severity vulnerability in Ansible Engine's ansible-connection module that discloses sensitive Ansible user credentials within traceback error messages. This flaw primarily impacts confidentiality and affects various Red Hat products, including Ansible Automation Platform, Ansible Engine, and Red Hat Enterprise Linux. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low attack complexity, requiring low privileges, and having a high impact on confidentiality. There is no user interaction required for exploitation. Currently, there is no evidence of active exploitation, nor is exploit code publicly available in Metasploit, Nuclei, or ExploitDB. The vulnerability has received minimal community discussion and media coverage, suggesting low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:redhat:ansible_automation_platform_early_access:2.0:*:*:*:*:*:*:*
< 2.9.27CPE matchmatch criteria
cpe:2.3:a:redhat:ansible_engine:*:*:*:*:*:*:*:*
1CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:1:*:*:*:*:*:*:*
16.1CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:16.1:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 87th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (21)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: cm1 ansible 2.9.27-1 on CBL Mariner 1.0Fixed in: 2.9.27-1
microsoftpatch availablevia msrc
Product: 18892-16820Fixed in: 2.9.27-1
pippatch availablevia ghsa
Product: ansibleFixed in: 2.9.27
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Automation Platform 2.0 for RHEL 8Fixed in: ansible-0:2.9.27-1.el8ap
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Automation Platform 2.0 for RHEL 8Fixed in: ansible-core-0:2.11.6-1.el8ap
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Engine 2.9 for RHEL 7Fixed in: ansible-0:2.9.27-1.el7ae
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Engine 2.9 for RHEL 8Fixed in: ansible-0:2.9.27-1.el8ae
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Engine 2 for RHEL 7Fixed in: ansible-0:2.9.27-1.el7ae
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Engine 2 for RHEL 8Fixed in: ansible-0:2.9.27-1.el8ae
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Fixed in: ansible-0:2.9.27-1.el8ae
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Fixed in: ovirt-ansible-collection-0:1.6.5-1.el8ev
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Fixed in: redhat-virtualization-host-0:4.4.9-202111172338_8.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 Tools for Red Hat Enterprise Linux 8Fixed in: ovirt-ansible-collection-0:1.6.5-1.el8ev
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization Engine 4.4Fixed in: ansible-0:2.9.27-1.el8ae
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization Engine 4.4Fixed in: ovirt-ansible-collection-0:1.6.5-1.el8ev
View patch
redhatpatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Ansible Automation Platform 1.2Fixed in: Ansible
redhatend of lifevia redhat_api
Product: Red Hat Ceph Storage 2Fixed in: ansible
redhatend of lifevia redhat_api
Product: Red Hat Ceph Storage 3Fixed in: ansible
redhatend of lifevia redhat_api
Product: Red Hat Storage 3Fixed in: ansible

Vendor Advisories (3)

microsoft2022-Mar/CVE-2021-3620Moderate

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.

Mar 8, 2022
pipGHSA-4r65-35qq-ch8jmedium

Ansible discloses sensitive information in traceback error message

Mar 4, 2022
redhatCVE-2021-3620Important

Ansible: ansible-connection module discloses sensitive info in traceback error message

Jun 25, 2021

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / ansible/ansible/blob/stable-2.9/changelogs/CHANGELOG-v2.9.rst
Release NotesThird Party Advisory
github.com / ansible/ansible/commit/fe28767970c8ec62aabe493c46b53a5de1e5fac0
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2023/12/msg00018.html