Security advisory

{
  "id": "761638c9cdb0f06027d155e07a6abf9241c9b971f249bddd0bd36c6d485bba03",
  "url": "https://osv.dev/vulnerability/CVE-2020-35579",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35579",
    "summary": "tindy2013 subconverter 0.6.4 has a /sub?target=%TARGET%&url=%URL%&config=%CONFIG% API endpoint that accepts an arbitrary %URL% value and launches a GET request for it, but does not consider that the external request target may indirectly redirect back to this original /sub endpoint. Thus, a request loop and a denial of service may occur.",
    "evidence": "osv:CVE-2020-35579",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-35579",
      "aliases": [
        "CVE-2020-35579"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/tindy2013/subconverter",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ab4d7543cec46cd9e45680f3b43d82de16f38a3d"
                },
                {
                  "last_affected": "ab4d7543cec46cd9e45680f3b43d82de16f38a3d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:subconverter_project:subconverter:0.6.4:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.6.4"
                      },
                      {
                        "last_affected": "0.6.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.6.4",
            "v0.6.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35579.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:20.476162438Z",
      "provider": "osv",
      "references": [
        "https://github.com/tindy2013/subconverter/issues/284"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-35579",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385092,
  "published_at": "2020-12-20T07:15:13.327+00:00"
}