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Vulnerability details: VCID-qyf9-fxzc-aaad
Vulnerability ID VCID-qyf9-fxzc-aaad
Aliases CVE-2011-4136
GHSA-x88j-93vc-wpmp
PYSEC-2011-1
Summary django.contrib.sessions in Django before 1.2.7 and 1.3.x before 1.3.1, when session data is stored in the cache, uses the root namespace for both session identifiers and application-data keys, which allows remote attackers to modify a session by triggering use of a key that is equal to that session's identifier.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-20 Improper Input Validation
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
cvssv3.1 7.5 http://openwall.com/lists/oss-security/2011/09/11/1
generic_textual HIGH http://openwall.com/lists/oss-security/2011/09/11/1
cvssv3.1 7.5 http://openwall.com/lists/oss-security/2011/09/13/2
generic_textual HIGH http://openwall.com/lists/oss-security/2011/09/13/2
epss 0.00974 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
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epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
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epss 0.01835 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01853 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01853 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01853 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01853 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01853 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01853 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01853 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01853 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01853 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01959 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01959 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
epss 0.01959 https://api.first.org/data/v1/epss?cve=CVE-2011-4136
cvssv3.1 7.5 https://bugzilla.redhat.com/show_bug.cgi?id=737366
generic_textual HIGH https://bugzilla.redhat.com/show_bug.cgi?id=737366
generic_textual MODERATE http://secunia.com/advisories/46614
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-x88j-93vc-wpmp
cvssv3.1 3.7 https://github.com/django/django
generic_textual MODERATE https://github.com/django/django
cvssv3.1 4.0 https://github.com/django/django/commit/ac7c3a110f906e4dfed3a17451bf7fd9fcb81296
generic_textual MODERATE https://github.com/django/django/commit/ac7c3a110f906e4dfed3a17451bf7fd9fcb81296
cvssv3.1 4.0 https://github.com/django/django/commit/fbe2eead2fa9d808658ca582241bcacb02618840
generic_textual MODERATE https://github.com/django/django/commit/fbe2eead2fa9d808658ca582241bcacb02618840
cvssv3.1 4.0 https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2011-1.yaml
generic_textual MODERATE https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2011-1.yaml
cvssv3.1 7.5 https://hermes.opensuse.org/messages/14700881
generic_textual HIGH https://hermes.opensuse.org/messages/14700881
cvssv2 5.8 https://nvd.nist.gov/vuln/detail/CVE-2011-4136
cvssv3.1 7.5 https://www.djangoproject.com/weblog/2011/sep/09
generic_textual HIGH https://www.djangoproject.com/weblog/2011/sep/09
cvssv3.1 7.5 https://www.djangoproject.com/weblog/2011/sep/10/127
generic_textual HIGH https://www.djangoproject.com/weblog/2011/sep/10/127
cvssv3.1 7.5 http://www.debian.org/security/2011/dsa-2332
generic_textual HIGH http://www.debian.org/security/2011/dsa-2332
Reference id Reference type URL
http://openwall.com/lists/oss-security/2011/09/11/1
http://openwall.com/lists/oss-security/2011/09/13/2
https://api.first.org/data/v1/epss?cve=CVE-2011-4136
https://bugzilla.redhat.com/show_bug.cgi?id=737366
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4136
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4137
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4138
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4139
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4140
http://secunia.com/advisories/46614
https://github.com/django/django
https://github.com/django/django/commit/ac7c3a110f906e4dfed3a17451bf7fd9fcb81296
https://github.com/django/django/commit/fbe2eead2fa9d808658ca582241bcacb02618840
https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2011-1.yaml
https://hermes.opensuse.org/messages/14700881
https://www.djangoproject.com/weblog/2011/sep/09
https://www.djangoproject.com/weblog/2011/sep/09/
https://www.djangoproject.com/weblog/2011/sep/10/127
https://www.djangoproject.com/weblog/2011/sep/10/127/
http://www.debian.org/security/2011/dsa-2332
641405 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=641405
cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:0.91:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:0.91:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:0.95:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:0.95:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:0.95.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:0.95.1:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:0.96:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:0.96:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.0:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.0.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.0.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.1:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.1.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.1.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.2:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.2.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.2.1:2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.2.1:2:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.2.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.2.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.2.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.2.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.3:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.3:alpha1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.3:alpha1:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.3:alpha2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:djangoproject:django:1.3:alpha2:*:*:*:*:*:*
CVE-2011-4136 https://nvd.nist.gov/vuln/detail/CVE-2011-4136
GHSA-x88j-93vc-wpmp https://github.com/advisories/GHSA-x88j-93vc-wpmp
USN-1297-1 https://usn.ubuntu.com/1297-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at http://openwall.com/lists/oss-security/2011/09/11/1
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:N/I:H/A:N Found at http://openwall.com/lists/oss-security/2011/09/13/2
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: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=737366
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:H/PR:N/UI:N/S:U/C:L/I:N/A:N 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

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:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/django/django/commit/ac7c3a110f906e4dfed3a17451bf7fd9fcb81296
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:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/django/django/commit/fbe2eead2fa9d808658ca582241bcacb02618840
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:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2011-1.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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://hermes.opensuse.org/messages/14700881
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:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2011-4136
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:N/I:H/A:N Found at https://www.djangoproject.com/weblog/2011/sep/09
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:N/I:H/A:N Found at https://www.djangoproject.com/weblog/2011/sep/10/127
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:N/I:H/A:N Found at http://www.debian.org/security/2011/dsa-2332
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 0.62708
EPSS Score 0.00974
Published At March 29, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.