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Vulnerability details: VCID-pj4s-vjbb-u7h7
Vulnerability ID VCID-pj4s-vjbb-u7h7
Aliases CVE-2016-2785
GHSA-pqj5-7r86-64fv
Summary Improper Access Control Puppet Server before 2.3.2 and Ruby puppetmaster in Puppet 4.x before 4.4.2 and in Puppet Agent before 1.4.2 might allow remote attackers to bypass intended auth.conf access restrictions by leveraging incorrect URL decoding.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-284 Improper Access Control
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.0017 https://api.first.org/data/v1/epss?cve=CVE-2016-2785
epss 0.0017 https://api.first.org/data/v1/epss?cve=CVE-2016-2785
epss 0.0017 https://api.first.org/data/v1/epss?cve=CVE-2016-2785
epss 0.0017 https://api.first.org/data/v1/epss?cve=CVE-2016-2785
epss 0.0017 https://api.first.org/data/v1/epss?cve=CVE-2016-2785
epss 0.0017 https://api.first.org/data/v1/epss?cve=CVE-2016-2785
epss 0.0017 https://api.first.org/data/v1/epss?cve=CVE-2016-2785
epss 0.0017 https://api.first.org/data/v1/epss?cve=CVE-2016-2785
epss 0.0017 https://api.first.org/data/v1/epss?cve=CVE-2016-2785
cvssv2 3.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-pqj5-7r86-64fv
cvssv3.1 9.8 https://github.com/puppetlabs/puppet
generic_textual CRITICAL https://github.com/puppetlabs/puppet
cvssv3.1 9.8 https://github.com/puppetlabs/puppet/commit/6592a8166572e5f1b7d058474059b8519ec81387
generic_textual CRITICAL https://github.com/puppetlabs/puppet/commit/6592a8166572e5f1b7d058474059b8519ec81387
cvssv3.1 9.8 https://github.com/puppetlabs/puppet/commits/4.4.2
generic_textual CRITICAL https://github.com/puppetlabs/puppet/commits/4.4.2
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-2785
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2016-2785
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2016-2785
cvssv3.1 9.8 https://puppet.com/security/cve/cve-2016-2785
generic_textual CRITICAL https://puppet.com/security/cve/cve-2016-2785
cvssv3.1 9.8 https://security.gentoo.org/glsa/201606-02
generic_textual CRITICAL https://security.gentoo.org/glsa/201606-02
cvssv3 9.8 https://www.puppet.com/security/cve/cve-2016-2785-incorrect-url-decoding
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-2785.json
https://api.first.org/data/v1/epss?cve=CVE-2016-2785
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/puppetlabs/puppet
https://github.com/puppetlabs/puppet/commit/6592a8166572e5f1b7d058474059b8519ec81387
https://github.com/puppetlabs/puppet/commits/4.4.2
https://github.com/puppetlabs/puppet/pull/4921/commits/8d2ce797db265720f0a20d1d46ee2757b4e4f6b2
https://security.gentoo.org/glsa/201606-02
https://www.puppet.com/security/cve/cve-2016-2785-incorrect-url-decoding
1331024 https://bugzilla.redhat.com/show_bug.cgi?id=1331024
cpe:2.3:a:puppet:puppet:4.0.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.0.0:rc1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.0.0:rc2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.0.0:rc3:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.2.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.2.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.2.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.3.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.3.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.3.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.3.2:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.4.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.4.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:4.4.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet:4.4.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_agent:1.4.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet_agent:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_server:2.0.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet_server:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_server:2.1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet_server:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_server:2.1.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet_server:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_server:2.1.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet_server:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_server:2.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet_server:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_server:2.3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet_server:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_server:2.3.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:puppet:puppet_server:2.3.1:*:*:*:*:*:*:*
CVE-2016-2785 https://nvd.nist.gov/vuln/detail/CVE-2016-2785
CVE-2016-2785 https://puppet.com/security/cve/cve-2016-2785
GHSA-pqj5-7r86-64fv https://github.com/advisories/GHSA-pqj5-7r86-64fv
No exploits are available.
Vector: AV:N/AC:M/Au:S/C:P/I:N/A:N 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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/puppetlabs/puppet
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:H/A:H Found at https://github.com/puppetlabs/puppet/commit/6592a8166572e5f1b7d058474059b8519ec81387
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:H/A:H Found at https://github.com/puppetlabs/puppet/commits/4.4.2
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:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-2785
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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-2785
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:H/A:H Found at https://puppet.com/security/cve/cve-2016-2785
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:H/A:H Found at https://security.gentoo.org/glsa/201606-02
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 0.38122
EPSS Score 0.0017
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:50:25.646662+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/puppet/CVE-2016-2785.yml 38.0.0