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Vulnerability details: VCID-dkse-a2zr-4ke7
Vulnerability ID VCID-dkse-a2zr-4ke7
Aliases CVE-2021-3620
GHSA-4r65-35qq-ch8j
PYSEC-2022-164
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-209 Generation of Error Message Containing Sensitive Information
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2021:3871
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2021:3871
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2021:3872
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2021:3872
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2021:3874
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2021:3874
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2021:4703
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2021:4703
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2021:4750
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2021:4750
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3620.json
cvssv3.1 5.5 https://access.redhat.com/security/cve/CVE-2021-3620
generic_textual MODERATE https://access.redhat.com/security/cve/CVE-2021-3620
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-3620
cvssv3.1 5.5 https://bugzilla.redhat.com/show_bug.cgi?id=1975767
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=1975767
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=1975767
cvssv3.1 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.5 https://github.com/advisories/GHSA-4r65-35qq-ch8j
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-4r65-35qq-ch8j
generic_textual MODERATE https://github.com/advisories/GHSA-4r65-35qq-ch8j
cvssv3.1 5.5 https://github.com/ansible/ansible
generic_textual MODERATE https://github.com/ansible/ansible
cvssv3.1 5.5 https://github.com/ansible/ansible/blob/stable-2.9/changelogs/CHANGELOG-v2.9.rst#security-fixes
generic_textual MODERATE https://github.com/ansible/ansible/blob/stable-2.9/changelogs/CHANGELOG-v2.9.rst#security-fixes
ssvc Track https://github.com/ansible/ansible/blob/stable-2.9/changelogs/CHANGELOG-v2.9.rst#security-fixes
cvssv3.1 5.5 https://github.com/ansible/ansible/commit/fe28767970c8ec62aabe493c46b53a5de1e5fac0
generic_textual MODERATE https://github.com/ansible/ansible/commit/fe28767970c8ec62aabe493c46b53a5de1e5fac0
ssvc Track https://github.com/ansible/ansible/commit/fe28767970c8ec62aabe493c46b53a5de1e5fac0
cvssv3.1 5.5 https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2022-164.yaml
generic_textual MODERATE https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2022-164.yaml
cvssv3.1 5.5 https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html
generic_textual MODERATE https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html
ssvc Track https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html
cvssv2 2.1 https://nvd.nist.gov/vuln/detail/CVE-2021-3620
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-3620
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-3620
archlinux Medium https://security.archlinux.org/AVG-1941
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2021:3871
https://access.redhat.com/errata/RHSA-2021:3872
https://access.redhat.com/errata/RHSA-2021:3874
https://access.redhat.com/errata/RHSA-2021:4703
https://access.redhat.com/errata/RHSA-2021:4750
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3620.json
https://access.redhat.com/security/cve/CVE-2021-3620
https://api.first.org/data/v1/epss?cve=CVE-2021-3620
https://bugzilla.redhat.com/show_bug.cgi?id=1975767
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3620
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/advisories/GHSA-4r65-35qq-ch8j
https://github.com/ansible/ansible
https://github.com/ansible/ansible/blob/stable-2.9/changelogs/CHANGELOG-v2.9.rst#security-fixes
https://github.com/ansible/ansible/commit/fe28767970c8ec62aabe493c46b53a5de1e5fac0
https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2022-164.yaml
https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html
https://nvd.nist.gov/vuln/detail/CVE-2021-3620
AVG-1941 https://security.archlinux.org/AVG-1941
cpe:2.3:a:redhat:ansible_automation_platform_early_access:2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:ansible_automation_platform_early_access:2.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:ansible_engine:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:ansible_engine:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack:1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openstack:1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack:16.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openstack:16.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization_for_ibm_power_little_endian:4.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:virtualization_for_ibm_power_little_endian:4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization_manager:4.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:virtualization_manager:4.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
USN-USN-5315-1 https://usn.ubuntu.com/USN-5315-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/errata/RHSA-2021:3871
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/errata/RHSA-2021:3872
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/errata/RHSA-2021:3874
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/errata/RHSA-2021:4703
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/errata/RHSA-2021:4750
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3620.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/security/cve/CVE-2021-3620
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=1975767
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:25Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=1975767
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/advisories/GHSA-4r65-35qq-ch8j
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ansible/ansible
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ansible/ansible/blob/stable-2.9/changelogs/CHANGELOG-v2.9.rst#security-fixes
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:25Z/ Found at https://github.com/ansible/ansible/blob/stable-2.9/changelogs/CHANGELOG-v2.9.rst#security-fixes
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ansible/ansible/commit/fe28767970c8ec62aabe493c46b53a5de1e5fac0
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:25Z/ Found at https://github.com/ansible/ansible/commit/fe28767970c8ec62aabe493c46b53a5de1e5fac0
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2022-164.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:25Z/ Found at https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-3620
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-3620
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.42352
EPSS Score 0.002
Published At Sept. 11, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:20:15.942160+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/ansible/PYSEC-2022-164.yaml 37.0.0