{"id":"CVE-2020-13092","aliases":["GHSA-jjw5-xxj6-pcv5","PYSEC-2020-107"],"url":"https://o3.security/vulnerability/CVE-2020-13092","summary":"scikit-learn Deserialization of Untrusted Data","details":"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","published":"2020-05-15T19:15:12.277Z","modified":"2026-07-08T23:34:21.868061Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"scikit-learn","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://scikit-learn.org/stable/modules/model_persistence.html#security-maintainability-limitations"},{"type":"EVIDENCE","url":"https://github.com/0FuzzingQ/vuln/blob/master/sklearn%20unserialize.md"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:34:21.868061Z"}}