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Vulnerability details: VCID-e3z2-ydhb-gqfg
Vulnerability ID VCID-e3z2-ydhb-gqfg
Aliases CVE-2021-20228
GHSA-5rrg-rr89-x9mv
PYSEC-2021-1
Summary A flaw was found in the Ansible Engine 2.9.18, where sensitive info is not masked by default and is not protected by the no_log feature when using the sub-option feature of the basic.py module. This flaw allows an attacker to obtain sensitive information. The highest threat from this vulnerability is to confidentiality.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-522 Insufficiently Protected Credentials
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 5.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20228.json
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2021-20228
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2021-20228
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2021-20228
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2021-20228
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2021-20228
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2021-20228
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2021-20228
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2021-20228
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2021-20228
cvssv3.1 7.5 https://bugzilla.redhat.com/show_bug.cgi?id=1925002
cvssv4 8.7 https://bugzilla.redhat.com/show_bug.cgi?id=1925002
generic_textual HIGH https://bugzilla.redhat.com/show_bug.cgi?id=1925002
cvssv3.1 5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://github.com/advisories/GHSA-5rrg-rr89-x9mv
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-5rrg-rr89-x9mv
cvssv4 8.7 https://github.com/advisories/GHSA-5rrg-rr89-x9mv
generic_textual HIGH https://github.com/advisories/GHSA-5rrg-rr89-x9mv
cvssv3.1 7.5 https://github.com/ansible/ansible
cvssv4 8.7 https://github.com/ansible/ansible
generic_textual HIGH https://github.com/ansible/ansible
cvssv3.1 7.5 https://github.com/ansible/ansible/commit/49ebd509df9de1c1fc1bcee00e79a835dd00662c
cvssv4 8.7 https://github.com/ansible/ansible/commit/49ebd509df9de1c1fc1bcee00e79a835dd00662c
generic_textual HIGH https://github.com/ansible/ansible/commit/49ebd509df9de1c1fc1bcee00e79a835dd00662c
cvssv3.1 7.5 https://github.com/ansible/ansible/commit/e41d1f0a3fd6c466192e7e24accd3d1c6501111b
cvssv4 8.7 https://github.com/ansible/ansible/commit/e41d1f0a3fd6c466192e7e24accd3d1c6501111b
generic_textual HIGH https://github.com/ansible/ansible/commit/e41d1f0a3fd6c466192e7e24accd3d1c6501111b
cvssv3.1 7.5 https://github.com/ansible/ansible/commit/f8ff395d817c3eddc050f809919c15dfb5796120
cvssv4 8.7 https://github.com/ansible/ansible/commit/f8ff395d817c3eddc050f809919c15dfb5796120
generic_textual HIGH https://github.com/ansible/ansible/commit/f8ff395d817c3eddc050f809919c15dfb5796120
cvssv3.1 7.5 https://github.com/ansible/ansible/pull/73487
cvssv4 8.7 https://github.com/ansible/ansible/pull/73487
generic_textual HIGH https://github.com/ansible/ansible/pull/73487
cvssv3.1 7.5 https://github.com/ansible/ansible/pull/73492
cvssv4 8.7 https://github.com/ansible/ansible/pull/73492
generic_textual HIGH https://github.com/ansible/ansible/pull/73492
cvssv3.1 7.5 https://github.com/ansible/ansible/pull/73493
cvssv4 8.7 https://github.com/ansible/ansible/pull/73493
generic_textual HIGH https://github.com/ansible/ansible/pull/73493
cvssv3.1 7.5 https://github.com/ansible/ansible/pull/73494
cvssv4 8.7 https://github.com/ansible/ansible/pull/73494
generic_textual HIGH https://github.com/ansible/ansible/pull/73494
cvssv3.1 7.5 https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2021-1.yaml
cvssv4 8.7 https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2021-1.yaml
generic_textual HIGH https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2021-1.yaml
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-20228
cvssv4 8.7 https://nvd.nist.gov/vuln/detail/CVE-2021-20228
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2021-20228
cvssv3.1 7.5 https://www.debian.org/security/2021/dsa-4950
cvssv4 8.7 https://www.debian.org/security/2021/dsa-4950
generic_textual HIGH https://www.debian.org/security/2021/dsa-4950
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20228.json
https://api.first.org/data/v1/epss?cve=CVE-2021-20228
https://bugzilla.redhat.com/show_bug.cgi?id=1925002
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10156
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10206
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14846
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14864
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14904
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10684
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10685
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10729
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14330
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14332
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14365
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1733
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1735
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1739
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1740
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1746
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1753
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20228
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/advisories/GHSA-5rrg-rr89-x9mv
https://github.com/ansible/ansible
https://github.com/ansible/ansible/commit/49ebd509df9de1c1fc1bcee00e79a835dd00662c
https://github.com/ansible/ansible/commit/e41d1f0a3fd6c466192e7e24accd3d1c6501111b
https://github.com/ansible/ansible/commit/f8ff395d817c3eddc050f809919c15dfb5796120
https://github.com/ansible/ansible/pull/73487
https://github.com/ansible/ansible/pull/73492
https://github.com/ansible/ansible/pull/73493
https://github.com/ansible/ansible/pull/73494
https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2021-1.yaml
https://nvd.nist.gov/vuln/detail/CVE-2021-20228
https://www.debian.org/security/2021/dsa-4950
RHSA-2021:0663 https://access.redhat.com/errata/RHSA-2021:0663
RHSA-2021:0664 https://access.redhat.com/errata/RHSA-2021:0664
RHSA-2021:1079 https://access.redhat.com/errata/RHSA-2021:1079
RHSA-2021:2180 https://access.redhat.com/errata/RHSA-2021:2180
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20228.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:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=1925002
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=1925002
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/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

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low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/advisories/GHSA-5rrg-rr89-x9mv
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/advisories/GHSA-5rrg-rr89-x9mv
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/ansible/ansible
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ansible/ansible/commit/49ebd509df9de1c1fc1bcee00e79a835dd00662c
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/ansible/ansible/commit/49ebd509df9de1c1fc1bcee00e79a835dd00662c
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

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low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ansible/ansible/commit/e41d1f0a3fd6c466192e7e24accd3d1c6501111b
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/ansible/ansible/commit/e41d1f0a3fd6c466192e7e24accd3d1c6501111b
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ansible/ansible/commit/f8ff395d817c3eddc050f809919c15dfb5796120
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/ansible/ansible/commit/f8ff395d817c3eddc050f809919c15dfb5796120
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ansible/ansible/pull/73487
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/ansible/ansible/pull/73487
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

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passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ansible/ansible/pull/73492
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

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high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/ansible/ansible/pull/73492
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ansible/ansible/pull/73493
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/ansible/ansible/pull/73493
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ansible/ansible/pull/73494
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/ansible/ansible/pull/73494
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2021-1.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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2021-1.yaml
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20228
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20228
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://www.debian.org/security/2021/dsa-4950
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://www.debian.org/security/2021/dsa-4950
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.35276
EPSS Score 0.00149
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:44:03.812515+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/ansible/PYSEC-2021-1.yaml 38.0.0