{
    "id": "CVE-2020-3837",
    "published": "2020-02-27 21:15:16",
    "last_modified": "2026-06-17 03:19:07",
    "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-787",
    "description": "A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to execute arbitrary code with kernel privileges.",
    "epss_score": "0.14722",
    "epss_percentile": "0.96561",
    "kev": 1,
    "kev_due": "2022-07-18",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:25:29",
    "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"
        },
        {
            "vendor": "apple",
            "product": "mac_os_x"
        },
        {
            "vendor": "apple",
            "product": "tvos"
        },
        {
            "vendor": "apple",
            "product": "watchos"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2020-3837",
        "date_added": "2022-06-27",
        "due_date": "2022-07-18",
        "vendor": "Apple",
        "product": "Multiple Products",
        "name": "Apple Multiple Products Memory Corruption Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "48035",
            "title": "iOS/macOS - Out-of-Bounds Timestamp Write in IOAccelCommandQueue2::processSegmentKernelCommand()",
            "date": "2020-02-10",
            "url": "https://www.exploit-db.com/exploits/48035"
        }
    ],
    "refs_list": [
        "https://support.apple.com/HT210918",
        "https://support.apple.com/HT210919",
        "https://support.apple.com/HT210920",
        "https://support.apple.com/HT210921",
        "https://support.apple.com/HT210918",
        "https://support.apple.com/HT210919",
        "https://support.apple.com/HT210920",
        "https://support.apple.com/HT210921",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3837"
    ]
}