{
    "id": "CVE-2021-30983",
    "published": "2021-08-24 19:15:23",
    "last_modified": "2026-06-17 03:51:15",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-120",
    "description": "A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.",
    "epss_score": "0.02923",
    "epss_percentile": "0.86523",
    "kev": 1,
    "kev_due": "2022-07-18",
    "has_exploit": 0,
    "updated_at": "2026-09-27 18:17:29",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-07-18."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "ipados"
        },
        {
            "vendor": "apple",
            "product": "iphone_os"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2021-30983",
        "date_added": "2022-06-27",
        "due_date": "2022-07-18",
        "vendor": "Apple",
        "product": "iOS and iPadOS",
        "name": "Apple iOS and iPadOS Buffer Overflow Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://support.apple.com/en-us/HT212976",
        "https://support.apple.com/en-us/HT212976",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30983"
    ]
}