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Vulnerability details: VCID-t8d7-68j2-suet
Vulnerability ID VCID-t8d7-68j2-suet
Aliases CVE-2015-5145
GHSA-cqf7-ff9h-7967
PYSEC-2015-21
Summary validators.URLValidator in Django 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (CPU consumption) via unspecified vectors.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-1333 Inefficient Regular Expression Complexity
CWE-400 Uncontrolled Resource Consumption
CWE-185 Incorrect Regular Expression
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00787 https://api.first.org/data/v1/epss?cve=CVE-2015-5145
epss 0.00787 https://api.first.org/data/v1/epss?cve=CVE-2015-5145
epss 0.00787 https://api.first.org/data/v1/epss?cve=CVE-2015-5145
epss 0.00787 https://api.first.org/data/v1/epss?cve=CVE-2015-5145
epss 0.00787 https://api.first.org/data/v1/epss?cve=CVE-2015-5145
epss 0.00787 https://api.first.org/data/v1/epss?cve=CVE-2015-5145
epss 0.00787 https://api.first.org/data/v1/epss?cve=CVE-2015-5145
epss 0.00787 https://api.first.org/data/v1/epss?cve=CVE-2015-5145
epss 0.00787 https://api.first.org/data/v1/epss?cve=CVE-2015-5145
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-cqf7-ff9h-7967
cvssv3.1 7.5 https://github.com/django/django
cvssv4 8.7 https://github.com/django/django
generic_textual HIGH https://github.com/django/django
cvssv3.1 7.5 https://github.com/django/django/blob/4555a823fd57e261e1b19c778429473256c8ea08/docs/releases/1.8.3.txt#L63-L68
cvssv4 8.7 https://github.com/django/django/blob/4555a823fd57e261e1b19c778429473256c8ea08/docs/releases/1.8.3.txt#L63-L68
generic_textual HIGH https://github.com/django/django/blob/4555a823fd57e261e1b19c778429473256c8ea08/docs/releases/1.8.3.txt#L63-L68
cvssv3.1 7.5 https://github.com/django/django/commit/8f9a4d3a2bc42f14bb437defd30c7315adbff22c
cvssv4 8.7 https://github.com/django/django/commit/8f9a4d3a2bc42f14bb437defd30c7315adbff22c
generic_textual HIGH https://github.com/django/django/commit/8f9a4d3a2bc42f14bb437defd30c7315adbff22c
cvssv3.1 7.5 https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-21.yaml
cvssv4 8.7 https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-21.yaml
generic_textual HIGH https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-21.yaml
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2015-5145
cvssv4 8.7 https://nvd.nist.gov/vuln/detail/CVE-2015-5145
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2015-5145
cvssv3.1 7.5 https://security.gentoo.org/glsa/201510-06
cvssv4 8.7 https://security.gentoo.org/glsa/201510-06
generic_textual HIGH https://security.gentoo.org/glsa/201510-06
cvssv3.1 7.5 https://web.archive.org/web/20150924150801/http://www.securitytracker.com/id/1032820
cvssv4 8.7 https://web.archive.org/web/20150924150801/http://www.securitytracker.com/id/1032820
generic_textual HIGH https://web.archive.org/web/20150924150801/http://www.securitytracker.com/id/1032820
cvssv3.1 7.5 https://web.archive.org/web/20170526042302/http://www.securityfocus.com/bid/75691
cvssv4 8.7 https://web.archive.org/web/20170526042302/http://www.securityfocus.com/bid/75691
generic_textual HIGH https://web.archive.org/web/20170526042302/http://www.securityfocus.com/bid/75691
cvssv3.1 7.5 https://www.djangoproject.com/weblog/2015/jul/08/security-releases
cvssv4 8.7 https://www.djangoproject.com/weblog/2015/jul/08/security-releases
generic_textual HIGH https://www.djangoproject.com/weblog/2015/jul/08/security-releases
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-5145.json
https://api.first.org/data/v1/epss?cve=CVE-2015-5145
https://github.com/django/django
https://github.com/django/django/blob/4555a823fd57e261e1b19c778429473256c8ea08/docs/releases/1.8.3.txt#L63-L68
https://github.com/django/django/commit/8f9a4d3a2bc42f14bb437defd30c7315adbff22c
https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-21.yaml
https://nvd.nist.gov/vuln/detail/CVE-2015-5145
https://security.gentoo.org/glsa/201510-06
https://web.archive.org/web/20150924150801/http://www.securitytracker.com/id/1032820
https://web.archive.org/web/20170526042302/http://www.securityfocus.com/bid/75691
https://www.djangoproject.com/weblog/2015/jul/08/security-releases
https://www.djangoproject.com/weblog/2015/jul/08/security-releases/
http://www.securityfocus.com/bid/75691
http://www.securitytracker.com/id/1032820
1240526 https://bugzilla.redhat.com/show_bug.cgi?id=1240526
GHSA-cqf7-ff9h-7967 https://github.com/advisories/GHSA-cqf7-ff9h-7967
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/django/django
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/django/django
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)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/django/django/blob/4555a823fd57e261e1b19c778429473256c8ea08/docs/releases/1.8.3.txt#L63-L68
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

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unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/django/django/blob/4555a823fd57e261e1b19c778429473256c8ea08/docs/releases/1.8.3.txt#L63-L68
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)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/django/django/commit/8f9a4d3a2bc42f14bb437defd30c7315adbff22c
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

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/django/django/commit/8f9a4d3a2bc42f14bb437defd30c7315adbff22c
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)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-21.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

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unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-21.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

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Vector: CVSS:3.1/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-2015-5145
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

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required

unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2015-5145
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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://security.gentoo.org/glsa/201510-06
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

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required

unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://security.gentoo.org/glsa/201510-06
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

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physical

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passive

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://web.archive.org/web/20150924150801/http://www.securitytracker.com/id/1032820
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

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none

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://web.archive.org/web/20150924150801/http://www.securitytracker.com/id/1032820
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

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none

present

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passive

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://web.archive.org/web/20170526042302/http://www.securityfocus.com/bid/75691
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

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://web.archive.org/web/20170526042302/http://www.securityfocus.com/bid/75691
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

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none

present

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passive

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none

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.djangoproject.com/weblog/2015/jul/08/security-releases
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:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://www.djangoproject.com/weblog/2015/jul/08/security-releases
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

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passive

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Exploit Prediction Scoring System (EPSS)
Percentile 0.73781
EPSS Score 0.00787
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:41:15.053820+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/django/PYSEC-2015-21.yaml 38.0.0