{
    "id": "CVE-2020-22083",
    "published": "2020-12-17 16:15:12",
    "last_modified": "2026-06-17 03:04:07",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-502",
    "description": "jsonpickle through 1.4.1 allows remote code execution during deserialization of a malicious payload through the decode() function. Note: It has been argued that this is expected and clearly documented behaviour. pickle is known to be capable of causing arbitrary code execution, and must not be used with un-trusted data",
    "epss_score": "0.06415",
    "epss_percentile": "0.93505",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-06 18:17:22",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "jsonpickle_project",
            "product": "jsonpickle"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://access.redhat.com/security/cve/CVE-2020-22083",
        "https://gist.github.com/j0lt-github/bb543e77a1a10c33cb56cf23d0837874",
        "https://github.com/j0lt-github/python-deserialization-attack-payload-generator",
        "https://github.com/jsonpickle/jsonpickle/issues/332",
        "https://github.com/jsonpickle/jsonpickle/issues/332#issuecomment-747807494",
        "https://versprite.com/blog/application-security/into-the-jar-jsonpickle-exploitation/",
        "https://access.redhat.com/security/cve/CVE-2020-22083",
        "https://gist.github.com/j0lt-github/bb543e77a1a10c33cb56cf23d0837874",
        "https://github.com/j0lt-github/python-deserialization-attack-payload-generator",
        "https://github.com/jsonpickle/jsonpickle/issues/332",
        "https://github.com/jsonpickle/jsonpickle/issues/332#issuecomment-747807494",
        "https://versprite.com/blog/application-security/into-the-jar-jsonpickle-exploitation/"
    ]
}