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Vulnerability details: VCID-m156-zkzd-57g9
Vulnerability ID VCID-m156-zkzd-57g9
Aliases CVE-2015-7581
GHSA-9h6g-gp95-x3q5
Summary actionpack is vulnerable to denial of service because of a wildcard controller route actionpack/lib/action_dispatch/routing/route_set.rb in Action Pack in Ruby on Rails 4.x before 4.2.5.1 and 5.x before 5.0.0.beta1.1 allows remote attackers to cause a denial of service (superfluous caching and memory consumption) by leveraging an application's use of a wildcard controller route.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-770 Allocation of Resources Without Limits or Throttling
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-399 Resource Management Errors
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 7.5 http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html
generic_textual HIGH http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html
cvssv3.1 7.5 http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html
generic_textual HIGH http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html
cvssv3.1 7.5 http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html
generic_textual HIGH http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html
cvssv3.1 7.5 http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html
generic_textual HIGH http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html
cvssv3.1 7.5 http://rhn.redhat.com/errata/RHSA-2016-0296.html
generic_textual HIGH http://rhn.redhat.com/errata/RHSA-2016-0296.html
epss 0.08542 https://api.first.org/data/v1/epss?cve=CVE-2015-7581
cvssv2 4.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-9h6g-gp95-x3q5
cvssv3.1 7.5 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2015-7581.yml
generic_textual HIGH https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2015-7581.yml
cvssv3.1 7.5 https://groups.google.com/forum/message/raw?msg=ruby-security-ann/dthJ5wL69JE/IdvCimtZEgAJ
generic_textual HIGH https://groups.google.com/forum/message/raw?msg=ruby-security-ann/dthJ5wL69JE/IdvCimtZEgAJ
cvssv3 7.5 https://groups.google.com/forum/#!topic/rubyonrails-security/dthJ5wL69JE
cvssv3.1 7.5 https://groups.google.com/forum/#!topic/rubyonrails-security/dthJ5wL69JE
generic_textual HIGH https://groups.google.com/forum/#!topic/rubyonrails-security/dthJ5wL69JE
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2015-7581
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2015-7581
cvssv3.1 7.5 https://web.archive.org/web/20200228001849/http://www.securityfocus.com/bid/81677
generic_textual HIGH https://web.archive.org/web/20200228001849/http://www.securityfocus.com/bid/81677
cvssv3.1 7.5 https://web.archive.org/web/20200516093752/http://www.securitytracker.com/id/1034816
generic_textual HIGH https://web.archive.org/web/20200516093752/http://www.securitytracker.com/id/1034816
cvssv3.1 7.5 http://www.debian.org/security/2016/dsa-3464
generic_textual HIGH http://www.debian.org/security/2016/dsa-3464
cvssv3.1 7.5 http://www.openwall.com/lists/oss-security/2016/01/25/16
generic_textual HIGH http://www.openwall.com/lists/oss-security/2016/01/25/16
Reference id Reference type URL
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html
http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html
http://rhn.redhat.com/errata/RHSA-2016-0296.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-7581.json
https://api.first.org/data/v1/epss?cve=CVE-2015-7581
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3226
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3227
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7576
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7577
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7581
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0751
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0752
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0753
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2015-7581.yml
https://groups.google.com/forum/message/raw?msg=ruby-security-ann/dthJ5wL69JE/IdvCimtZEgAJ
https://groups.google.com/forum/#!topic/rubyonrails-security/dthJ5wL69JE
https://nvd.nist.gov/vuln/detail/CVE-2015-7581
https://web.archive.org/web/20200228001849/http://www.securityfocus.com/bid/81677
https://web.archive.org/web/20200516093752/http://www.securitytracker.com/id/1034816
http://www.debian.org/security/2016/dsa-3464
http://www.openwall.com/lists/oss-security/2016/01/25/16
1301981 https://bugzilla.redhat.com/show_bug.cgi?id=1301981
GHSA-9h6g-gp95-x3q5 https://github.com/advisories/GHSA-9h6g-gp95-x3q5
RHSA-2016:0296 https://access.redhat.com/errata/RHSA-2016:0296
RHSA-2016:0454 https://access.redhat.com/errata/RHSA-2016:0454
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.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: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.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: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.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: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.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: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://rhn.redhat.com/errata/RHSA-2016-0296.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: AV:N/AC:M/Au:N/C:N/I:N/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:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2015-7581.yml
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:N/UI:N/S:U/C:N/I:N/A:H Found at https://groups.google.com/forum/message/raw?msg=ruby-security-ann/dthJ5wL69JE/IdvCimtZEgAJ
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:N/UI:N/S:U/C:N/I:N/A:H Found at https://groups.google.com/forum/#!topic/rubyonrails-security/dthJ5wL69JE
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:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2015-7581
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:N/UI:N/S:U/C:N/I:N/A:H Found at https://web.archive.org/web/20200228001849/http://www.securityfocus.com/bid/81677
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:N/UI:N/S:U/C:N/I:N/A:H Found at https://web.archive.org/web/20200516093752/http://www.securitytracker.com/id/1034816
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:N/UI:N/S:U/C:N/I:N/A:H Found at http://www.debian.org/security/2016/dsa-3464
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:N/UI:N/S:U/C:N/I:N/A:H Found at http://www.openwall.com/lists/oss-security/2016/01/25/16
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 0.92514
EPSS Score 0.08542
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T08:57:23.460564+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2017/10/GHSA-9h6g-gp95-x3q5/GHSA-9h6g-gp95-x3q5.json 38.6.0