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Vulnerability details: VCID-u7m5-tzv2-c7hn
Vulnerability ID VCID-u7m5-tzv2-c7hn
Aliases BIT-django-2021-28658
CVE-2021-28658
GHSA-xgxc-v2qg-chmh
PYSEC-2021-6
Summary In Django 2.2 before 2.2.20, 3.0 before 3.0.14, and 3.1 before 3.1.8, MultiPartParser allowed directory traversal via uploaded files with suitably crafted file names. Built-in upload handlers were not affected by this vulnerability.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-28658.json
epss 0.01505 https://api.first.org/data/v1/epss?cve=CVE-2021-28658
epss 0.01505 https://api.first.org/data/v1/epss?cve=CVE-2021-28658
epss 0.01505 https://api.first.org/data/v1/epss?cve=CVE-2021-28658
epss 0.01505 https://api.first.org/data/v1/epss?cve=CVE-2021-28658
epss 0.01505 https://api.first.org/data/v1/epss?cve=CVE-2021-28658
epss 0.01505 https://api.first.org/data/v1/epss?cve=CVE-2021-28658
epss 0.01505 https://api.first.org/data/v1/epss?cve=CVE-2021-28658
epss 0.01505 https://api.first.org/data/v1/epss?cve=CVE-2021-28658
epss 0.01505 https://api.first.org/data/v1/epss?cve=CVE-2021-28658
cvssv3.1 5.3 https://docs.djangoproject.com/en/3.1/releases/security
cvssv4 6.9 https://docs.djangoproject.com/en/3.1/releases/security
generic_textual MODERATE https://docs.djangoproject.com/en/3.1/releases/security
cvssv3.1 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.3 https://github.com/advisories/GHSA-xgxc-v2qg-chmh
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-xgxc-v2qg-chmh
cvssv4 6.9 https://github.com/advisories/GHSA-xgxc-v2qg-chmh
generic_textual MODERATE https://github.com/advisories/GHSA-xgxc-v2qg-chmh
cvssv3.1 5.3 https://github.com/django/django
cvssv4 6.9 https://github.com/django/django
generic_textual MODERATE https://github.com/django/django
cvssv3.1 5.3 https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2021-6.yaml
cvssv4 6.9 https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2021-6.yaml
generic_textual MODERATE https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2021-6.yaml
cvssv3.1 5.3 https://groups.google.com/g/django-announce/c/ePr5j-ngdPU
cvssv4 6.9 https://groups.google.com/g/django-announce/c/ePr5j-ngdPU
generic_textual MODERATE https://groups.google.com/g/django-announce/c/ePr5j-ngdPU
cvssv3.1 5.3 https://lists.debian.org/debian-lts-announce/2021/04/msg00008.html
cvssv4 6.9 https://lists.debian.org/debian-lts-announce/2021/04/msg00008.html
generic_textual MODERATE https://lists.debian.org/debian-lts-announce/2021/04/msg00008.html
cvssv3.1 5.3 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE
cvssv4 6.9 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE
generic_textual MODERATE https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-28658
cvssv4 6.9 https://nvd.nist.gov/vuln/detail/CVE-2021-28658
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-28658
cvssv3.1 5.3 https://pypi.org/project/Django
cvssv4 6.9 https://pypi.org/project/Django
generic_textual MODERATE https://pypi.org/project/Django
archlinux Low https://security.archlinux.org/AVG-1776
cvssv3.1 5.3 https://security.netapp.com/advisory/ntap-20210528-0001
cvssv4 6.9 https://security.netapp.com/advisory/ntap-20210528-0001
generic_textual MODERATE https://security.netapp.com/advisory/ntap-20210528-0001
cvssv3.1 5.3 https://www.djangoproject.com/weblog/2021/apr/06/security-releases
cvssv4 6.9 https://www.djangoproject.com/weblog/2021/apr/06/security-releases
generic_textual MODERATE https://www.djangoproject.com/weblog/2021/apr/06/security-releases
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-28658.json
https://api.first.org/data/v1/epss?cve=CVE-2021-28658
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28658
https://docs.djangoproject.com/en/3.1/releases/security
https://docs.djangoproject.com/en/3.1/releases/security/
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/advisories/GHSA-xgxc-v2qg-chmh
https://github.com/django/django
https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2021-6.yaml
https://groups.google.com/g/django-announce/c/ePr5j-ngdPU
https://lists.debian.org/debian-lts-announce/2021/04/msg00008.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE/
https://nvd.nist.gov/vuln/detail/CVE-2021-28658
https://pypi.org/project/Django
https://security.netapp.com/advisory/ntap-20210528-0001
https://www.djangoproject.com/weblog/2021/apr/06/security-releases
https://www.djangoproject.com/weblog/2021/apr/06/security-releases/
986447 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986447
AVG-1776 https://security.archlinux.org/AVG-1776
GLSA-202509-03 https://security.gentoo.org/glsa/202509-03
RHSA-2021:4702 https://access.redhat.com/errata/RHSA-2021:4702
RHSA-2021:5070 https://access.redhat.com/errata/RHSA-2021:5070
USN-4902-1 https://usn.ubuntu.com/4902-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-28658.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://docs.djangoproject.com/en/3.1/releases/security
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://docs.djangoproject.com/en/3.1/releases/security
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:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/advisories/GHSA-xgxc-v2qg-chmh
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/advisories/GHSA-xgxc-v2qg-chmh
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: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)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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:L/I:N/A:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2021-6.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2021-6.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)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://groups.google.com/g/django-announce/c/ePr5j-ngdPU
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://groups.google.com/g/django-announce/c/ePr5j-ngdPU
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:L/I:N/A:N Found at https://lists.debian.org/debian-lts-announce/2021/04/msg00008.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://lists.debian.org/debian-lts-announce/2021/04/msg00008.html
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:L/I:N/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE
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:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-28658
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-28658
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:L/I:N/A:N Found at https://pypi.org/project/Django
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://pypi.org/project/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:L/I:N/A:N Found at https://security.netapp.com/advisory/ntap-20210528-0001
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://security.netapp.com/advisory/ntap-20210528-0001
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:L/I:N/A:N Found at https://www.djangoproject.com/weblog/2021/apr/06/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)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://www.djangoproject.com/weblog/2021/apr/06/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)

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Exploit Prediction Scoring System (EPSS)
Percentile 0.81101
EPSS Score 0.01505
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:43:57.269353+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/django/PYSEC-2021-6.yaml 38.0.0