Security advisory

{
  "id": "cef54486baff69919cee3770000d853018ad055732e6ee40633405d997b04f7c",
  "url": "https://osv.dev/vulnerability/CVE-2021-28658",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-28658",
    "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.",
    "evidence": "osv:CVE-2021-28658",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-28658",
      "aliases": [
        "BIT-django-2021-28658",
        "CVE-2021-28658",
        "GHSA-xgxc-v2qg-chmh",
        "PYSEC-2021-6"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/django/django",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2a62cdcfec85938f40abb2e9e6a9ff497e02afe8"
                },
                {
                  "fixed": "ad9fa56a17bf9691615e9bb6e41d08d51cfe8a5d"
                },
                {
                  "introduced": "2a04e24d2dfc8e60a66e4369d970913cb2112d91"
                },
                {
                  "fixed": "f52800243545af658c27f83623b5fc72ae6b8dcf"
                },
                {
                  "introduced": "0b8a0296bfd30748f08021834e95cdae241686e8"
                },
                {
                  "fixed": "c4928c9115104d3d88a0ccb57e030f0b5f445ed8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.2"
                      },
                      {
                        "fixed": "2.2.20"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0"
                      },
                      {
                        "fixed": "3.0.14"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.1"
                      },
                      {
                        "fixed": "3.1.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28658.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:03.824777610Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE/",
        "https://docs.djangoproject.com/en/3.1/releases/security/",
        "https://groups.google.com/g/django-announce/c/ePr5j-ngdPU",
        "https://lists.debian.org/debian-lts-announce/2021/04/msg00008.html",
        "https://security.netapp.com/advisory/ntap-20210528-0001/",
        "https://www.djangoproject.com/weblog/2021/apr/06/security-releases/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "34"
                  },
                  {
                    "last_affected": "34"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-28658",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 440355,
  "published_at": "2021-04-06T15:15:13.437+00:00"
}