{
    "id": "CVE-2021-30805",
    "published": "2021-09-08 14:15:11",
    "last_modified": "2026-06-17 03:50:55",
    "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-787",
    "description": "A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.",
    "epss_score": "0.03146",
    "epss_percentile": "0.87573",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-10 18:17:25",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "mac_os_x"
        },
        {
            "vendor": "apple",
            "product": "macos"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://support.apple.com/en-us/HT212600",
        "https://support.apple.com/en-us/HT212602",
        "https://support.apple.com/en-us/HT212603",
        "https://support.apple.com/en-us/HT212600",
        "https://support.apple.com/en-us/HT212602",
        "https://support.apple.com/en-us/HT212603"
    ]
}