{
    "id": "CVE-2021-23031",
    "published": "2021-09-14 19:15:07",
    "last_modified": "2026-06-17 03:38:14",
    "cvss_score": "9.9",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
    "cwe": "CWE-78",
    "description": "On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an authenticated user may perform a privilege escalation on the BIG-IP Advanced WAF and ASM Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
    "epss_score": "0.02814",
    "epss_percentile": "0.86161",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-11 18:17:25",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.9), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "f5",
            "product": "big-ip_advanced_web_application_firewall"
        },
        {
            "vendor": "f5",
            "product": "big-ip_application_security_manager"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://support.f5.com/csp/article/K41351250",
        "https://support.f5.com/csp/article/K41351250"
    ]
}