Security advisory

{
  "id": "17c2e2804b1ca305505c19698f62d1db594d8c8a9f3fc4410114212497c14d14",
  "url": "https://osv.dev/vulnerability/CVE-2020-13092",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13092",
    "summary": "scikit-learn (aka sklearn) through 0.23.0 can unserialize and execute commands from an untrusted file that is passed to the joblib.load() function, if __reduce__ makes an os.system call. NOTE: third parties dispute this issue because the joblib.load() function is documented as unsafe and it is the user's responsibility to use the function in a secure manner",
    "evidence": "osv:CVE-2020-13092",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-13092",
      "aliases": [
        "CVE-2020-13092",
        "GHSA-jjw5-xxj6-pcv5",
        "PYSEC-2020-107"
      ],
      "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/scikit-learn/scikit-learn",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "483cd3eaa3c636a57ebb0dc4765531183b274df0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:scikit-learn:scikit-learn:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.23.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.23.0",
            "0.23.0rc1",
            "0.19-branching",
            "0.17-branching",
            "0.15-branching",
            "0.13-branching",
            "0.12-branching",
            "0.11-branching",
            "0.11-beta",
            "0.3",
            "0.2",
            "0.2-beta",
            "0.1",
            "0.1-beta"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13092.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:21.618035505Z",
      "provider": "osv",
      "references": [
        "https://scikit-learn.org/stable/modules/model_persistence.html#security-maintainability-limitations",
        "https://github.com/0FuzzingQ/vuln/blob/master/sklearn%20unserialize.md"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-13092",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430522,
  "published_at": "2020-05-15T19:15:12.277+00:00"
}