{
    "id": "CVE-2021-42377",
    "published": "2021-11-15 21:15:07",
    "last_modified": "2026-06-17 04:09:43",
    "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-590",
    "description": "An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.",
    "epss_score": "0.03615",
    "epss_percentile": "0.89206",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-09 18:17:29",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "busybox",
            "product": "busybox"
        },
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "netapp",
            "product": "cloud_backup"
        },
        {
            "vendor": "netapp",
            "product": "h300e"
        },
        {
            "vendor": "netapp",
            "product": "h300e_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h300s"
        },
        {
            "vendor": "netapp",
            "product": "h300s_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h410s"
        },
        {
            "vendor": "netapp",
            "product": "h410s_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h500e"
        },
        {
            "vendor": "netapp",
            "product": "h500e_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h500s"
        },
        {
            "vendor": "netapp",
            "product": "h500s_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h700e"
        },
        {
            "vendor": "netapp",
            "product": "h700e_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h700s"
        },
        {
            "vendor": "netapp",
            "product": "h700s_firmware"
        },
        {
            "vendor": "netapp",
            "product": "hci_management_node"
        },
        {
            "vendor": "netapp",
            "product": "solidfire"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog",
        "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/",
        "https://security.netapp.com/advisory/ntap-20211223-0002/",
        "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog",
        "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/",
        "https://security.netapp.com/advisory/ntap-20211223-0002/"
    ]
}