{
    "id": "CVE-2020-4589",
    "published": "2020-08-13 12:15:25",
    "last_modified": "2026-06-17 03:20:12",
    "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": "IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 184585.",
    "epss_score": "0.08465",
    "epss_percentile": "0.94867",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-05 18:17:23",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "ibm",
            "product": "websphere_application_server"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/184585",
        "https://www.ibm.com/support/pages/node/6258333",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/184585",
        "https://www.ibm.com/support/pages/node/6258333"
    ]
}