Security advisory

{
  "id": "a202a9ab4be074695cd96143a2fdc1a9e4a4ddcbd93b0ca87182b7e36bb6cdcc",
  "url": "https://osv.dev/vulnerability/CVE-2020-6174",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-6174",
    "summary": "TUF (aka The Update Framework) through 0.12.1 has Improper Verification of a Cryptographic Signature.",
    "evidence": "osv:CVE-2020-6174",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-6174",
      "aliases": [
        "CVE-2020-6174",
        "GHSA-pwqf-9h7j-7mv8",
        "PYSEC-2020-147"
      ],
      "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/theupdateframework/python-tuf",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "25e9e77dad164116f6fefb24c026bd83484b85f3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:linuxfoundation:the_update_framework:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.12.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.12.1",
            "v0.12.0",
            "v0.11.2.dev3",
            "v0.11.2.dev2",
            "v0.11.2.dev1",
            "v0.11.1",
            "v0.11.0",
            "v0.10.2",
            "v0.10.0",
            "v0.9.9",
            "v0.9.8",
            "v0.7.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6174.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:29.572930951Z",
      "provider": "osv",
      "references": [
        "https://github.com/theupdateframework/tuf/pull/974"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-6174",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384360,
  "published_at": "2020-02-05T16:15:11.457+00:00"
}