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Vulnerability details: VCID-zn6e-k9cc-aycq
Vulnerability ID VCID-zn6e-k9cc-aycq
Aliases CVE-2016-8628
GHSA-jg4f-jqm5-4mgq
PYSEC-2018-38
Summary Ansible before version 2.2.0 fails to properly sanitize fact variables sent from the Ansible controller. An attacker with the ability to create special variables on the controller could execute arbitrary commands on Ansible clients as the user Ansible runs as.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 9.1 https://access.redhat.com/errata/RHSA-2016:2778
generic_textual CRITICAL https://access.redhat.com/errata/RHSA-2016:2778
cvssv3 7.6 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-8628.json
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.005 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.005 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.005 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.005 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.005 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.005 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.005 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
epss 0.005 https://api.first.org/data/v1/epss?cve=CVE-2016-8628
cvssv3.1 9.1 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8628
generic_textual CRITICAL https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8628
cvssv2 6 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 9.1 https://github.com/advisories/GHSA-jg4f-jqm5-4mgq
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-jg4f-jqm5-4mgq
generic_textual CRITICAL https://github.com/advisories/GHSA-jg4f-jqm5-4mgq
cvssv3.1 9.1 https://github.com/ansible/ansible
generic_textual CRITICAL https://github.com/ansible/ansible
cvssv3.1 9.1 https://github.com/ansible/ansible/commit/35938b907dfcd1106ca40b794f0db446bdb8cf09
generic_textual CRITICAL https://github.com/ansible/ansible/commit/35938b907dfcd1106ca40b794f0db446bdb8cf09
cvssv3.1 9.1 https://github.com/ansible/ansible/issues/41903
generic_textual CRITICAL https://github.com/ansible/ansible/issues/41903
cvssv3.1 9.1 https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2018-38.yaml
generic_textual CRITICAL https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2018-38.yaml
cvssv2 9.0 https://nvd.nist.gov/vuln/detail/CVE-2016-8628
cvssv3 9.1 https://nvd.nist.gov/vuln/detail/CVE-2016-8628
cvssv3.1 9.1 https://nvd.nist.gov/vuln/detail/CVE-2016-8628
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2016-8628
cvssv3.1 9.1 https://web.archive.org/web/20200227214455/http://www.securityfocus.com/bid/94109
generic_textual CRITICAL https://web.archive.org/web/20200227214455/http://www.securityfocus.com/bid/94109
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2016:2778
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-8628.json
https://api.first.org/data/v1/epss?cve=CVE-2016-8628
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8628
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8628
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/advisories/GHSA-jg4f-jqm5-4mgq
https://github.com/ansible/ansible
https://github.com/ansible/ansible/commit/35938b907dfcd1106ca40b794f0db446bdb8cf09
https://github.com/ansible/ansible/issues/41903
https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2018-38.yaml
https://nvd.nist.gov/vuln/detail/CVE-2016-8628
https://web.archive.org/web/20200227214455/http://www.securityfocus.com/bid/94109
http://www.securityfocus.com/bid/94109
1388113 https://bugzilla.redhat.com/show_bug.cgi?id=1388113
842985 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=842985
cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:*
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2016:2778
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:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-8628.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:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8628
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: AV:N/AC:M/Au:S/C:P/I:P/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/advisories/GHSA-jg4f-jqm5-4mgq
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:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H 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:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/ansible/ansible/commit/35938b907dfcd1106ca40b794f0db446bdb8cf09
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:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/ansible/ansible/issues/41903
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:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2018-38.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: AV:N/AC:L/Au:S/C:C/I:C/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2016-8628
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:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-8628
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:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-8628
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:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://web.archive.org/web/20200227214455/http://www.securityfocus.com/bid/94109
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 0.64752
EPSS Score 0.00496
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:07:04.389024+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/ansible/PYSEC-2018-38.yaml 37.0.0