{
    "id": "CVE-2013-4521",
    "published": "2020-02-06 16:15:11",
    "last_modified": "2026-06-16 23:57:22",
    "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": "RichFaces implementation in Nuxeo Platform 5.6.0 before HF27 and 5.8.0 before HF-01 does not restrict the classes for which deserialization methods can be called, which allows remote attackers to execute arbitrary code via crafted serialized data. NOTE: this vulnerability may overlap CVE-2013-2165.",
    "epss_score": "0.04141",
    "epss_percentile": "0.90581",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-08 18:17:12",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "nuxeo",
            "product": "nuxeo"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://doc.nuxeo.com/display/public/ADMINDOC58/Nuxeo+Security+Hotfixes",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1027052",
        "https://github.com/nuxeo/richfaces/commit/6cbad2a6dcb70d3e33a6ce5879b1a3ad79eb1aec",
        "http://doc.nuxeo.com/display/public/ADMINDOC58/Nuxeo+Security+Hotfixes",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1027052",
        "https://github.com/nuxeo/richfaces/commit/6cbad2a6dcb70d3e33a6ce5879b1a3ad79eb1aec"
    ]
}