Security advisory

{
  "id": "95c938c24004d11ca9bf88f641c809c7ffb25f0bf140b056a87cbd86bb09c3d5",
  "url": "https://osv.dev/vulnerability/CVE-2020-13675",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13675",
    "summary": "Drupal's JSON:API and REST/File modules allow file uploads through their HTTP APIs. The modules do not correctly run all file validation, which causes an access bypass vulnerability. An attacker might be able to upload files that bypass the file validation process implemented by modules on the site.",
    "evidence": "osv:CVE-2020-13675",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-13675",
      "aliases": [
        "BIT-drupal-2020-13675",
        "CVE-2020-13675",
        "DRUPAL-CONTRIB-2021-029",
        "DRUPAL-CORE-2021-008",
        "GHSA-v8wr-r69p-mmwx"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/drupal/drupal",
              "type": "GIT",
              "events": [
                {
                  "introduced": "35c2f3ca5c935f3d8bde15932a712677c9bbd50f"
                },
                {
                  "fixed": "ff4f28f15d717b1ba39867f1550a248d1a915928"
                },
                {
                  "introduced": "5c6f14f762c9aef87cd2731818386f202ee8463c"
                },
                {
                  "fixed": "bdafd0207e0b6d78baa13ac181d9b74ba5e806cd"
                },
                {
                  "introduced": "943ecef3c0bc9822338252a7df6419aeb9253c9d"
                },
                {
                  "fixed": "4d4e64ff19e7fefad760f223bdb8cf36db9db43e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "fixed": "8.9.19"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.1.0"
                      },
                      {
                        "fixed": "9.1.13"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.2.0"
                      },
                      {
                        "fixed": "9.2.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.9.18",
            "9.1.12",
            "9.2.5",
            "8.9.17",
            "9.1.11",
            "9.2.3",
            "8.9.16",
            "9.1.10",
            "9.2.1",
            "9.2.0",
            "9.1.8",
            "8.9.15",
            "9.1.6",
            "9.1.5",
            "9.1.4",
            "8.9.12",
            "9.1.2",
            "9.1.1",
            "8.9.11",
            "9.1.0",
            "8.9.8",
            "8.9.5",
            "8.9.4",
            "8.9.3",
            "8.9.2",
            "8.9.0",
            "8.9.0-rc1",
            "8.9.0-beta3",
            "8.9.0-beta2",
            "8.9.0-beta1",
            "8.1.0-beta1",
            "8.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13675.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:44.419674084Z",
      "provider": "osv",
      "references": [
        "https://www.drupal.org/sa-core-2021-008"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-13675",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 435881,
  "published_at": "2022-02-11T16:15:08.367+00:00"
}