Security advisory

{
  "id": "9b2702cfbbac9b1b9742367ee1fad80fa003205e673139d617fc6823ec531bca",
  "url": "https://osv.dev/vulnerability/CVE-2021-3281",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-3281",
    "summary": "In Django 2.2 before 2.2.18, 3.0 before 3.0.12, and 3.1 before 3.1.6, the django.utils.archive.extract method (used by \"startapp --template\" and \"startproject --template\") allows directory traversal via an archive with absolute paths or relative paths with dot segments.",
    "evidence": "osv:CVE-2021-3281",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-3281",
      "aliases": [
        "BIT-django-2021-3281",
        "CVE-2021-3281",
        "GHSA-fvgf-6h6h-3322",
        "PYSEC-2021-9"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/django/django",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2a62cdcfec85938f40abb2e9e6a9ff497e02afe8"
                },
                {
                  "fixed": "fc0c8cfa492b2d7b82263e71e486f3829ad7c43a"
                },
                {
                  "introduced": "2a04e24d2dfc8e60a66e4369d970913cb2112d91"
                },
                {
                  "fixed": "81c99e4eb00b58e3eb33f3d5c1747b6c57e9d649"
                },
                {
                  "introduced": "0b8a0296bfd30748f08021834e95cdae241686e8"
                },
                {
                  "fixed": "3235a7b80710e5c90bbb1d25a147c8d0eddc8198"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.2"
                      },
                      {
                        "fixed": "2.2.18"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0"
                      },
                      {
                        "fixed": "3.0.12"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.1"
                      },
                      {
                        "fixed": "3.1.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3281.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:55.985655966Z",
      "provider": "osv",
      "references": [
        "https://groups.google.com/forum/#%21forum/django-announce",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YF52FKEH5S2P5CM4X7IXSYG67YY2CDOO/",
        "https://security.netapp.com/advisory/ntap-20210226-0004/",
        "https://www.djangoproject.com/weblog/2021/feb/01/security-releases/",
        "https://docs.djangoproject.com/en/3.1/releases/security/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-3281",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438563,
  "published_at": "2021-02-02T07:15:14.02+00:00"
}