Security advisory

{
  "id": "b1c7bad528a17a2039e381525cd526f4fe8d5b0c86fef4776921a0bba7439104",
  "url": "https://osv.dev/vulnerability/CVE-2021-33473",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-33473",
    "summary": "An argument injection vulnerability in Dragonfly Ruby Gem v1.3.0 allows attackers to read and write arbitrary files when the verify_url option is disabled. This vulnerability is exploited via a crafted URL.",
    "evidence": "osv:CVE-2021-33473",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-33473",
      "aliases": [
        "CVE-2021-33473",
        "GHSA-fj34-jhjx-xmvv"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/markevans/dragonfly",
              "type": "GIT",
              "events": [
                {
                  "introduced": "82254ecc81250ac03b5cff070c074990e5774b75"
                },
                {
                  "last_affected": "82254ecc81250ac03b5cff070c074990e5774b75"
                },
                {
                  "fixed": "25399297bb457f7fcf8e3f91e85945b255b111b5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:dragonfly_project:dragonfly:1.3.0:*:*:*:*:ruby:*:*",
                    "range": [
                      {
                        "introduced": "1.3.0"
                      },
                      {
                        "last_affected": "1.3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "25399297bb457f7fcf8e3f91e85945b255b111b5"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.3.0",
            "v1.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33473.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:44.686863235Z",
      "provider": "osv",
      "references": [
        "https://security.netapp.com/advisory/ntap-20220715-0004/",
        "https://github.com/markevans/dragonfly/issues/513",
        "https://github.com/markevans/dragonfly/commit/25399297bb457f7fcf8e3f91e85945b255b111b5"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-33473",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386053,
  "published_at": "2022-06-02T20:15:07.973+00:00"
}