{
    "id": "CVE-2021-20034",
    "published": "2021-09-27 18:15:08",
    "last_modified": "2026-06-17 03:33:10",
    "cvss_score": "9.1",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
    "cwe": "CWE-284",
    "description": "An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to factory default settings.",
    "epss_score": "0.81007",
    "epss_percentile": "0.99621",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:28:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "sonicwall",
            "product": "sma_200"
        },
        {
            "vendor": "sonicwall",
            "product": "sma_200_firmware"
        },
        {
            "vendor": "sonicwall",
            "product": "sma_210"
        },
        {
            "vendor": "sonicwall",
            "product": "sma_210_firmware"
        },
        {
            "vendor": "sonicwall",
            "product": "sma_400"
        },
        {
            "vendor": "sonicwall",
            "product": "sma_400_firmware"
        },
        {
            "vendor": "sonicwall",
            "product": "sma_410"
        },
        {
            "vendor": "sonicwall",
            "product": "sma_410_firmware"
        },
        {
            "vendor": "sonicwall",
            "product": "sma_500v"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "50430",
            "title": "SonicWall SMA 10.2.1.0-17sv - Password Reset",
            "date": "2021-10-20",
            "url": "https://www.exploit-db.com/exploits/50430"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/164564/SonicWall-SMA-10.2.1.0-17sv-Password-Reset.html",
        "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0021",
        "http://packetstormsecurity.com/files/164564/SonicWall-SMA-10.2.1.0-17sv-Password-Reset.html",
        "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0021"
    ]
}