{
    "id": "CVE-2021-20016",
    "published": "2021-02-04 06:15:13",
    "last_modified": "2026-08-12 05:17:33",
    "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-89",
    "description": "A SQL-Injection vulnerability in the SonicWall SSLVPN SMA100 product allows a remote unauthenticated attacker to perform SQL query to access username password and other session related information. This vulnerability impacts SMA100 build version 10.x.",
    "epss_score": "0.40038",
    "epss_percentile": "0.98585",
    "kev": 1,
    "kev_due": "2021-11-17",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:26:59",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2021-11-17."
    },
    "products": [
        {
            "vendor": "sonicwall",
            "product": "sma_100"
        },
        {
            "vendor": "sonicwall",
            "product": "sma_100_firmware"
        },
        {
            "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": {
        "cve_id": "CVE-2021-20016",
        "date_added": "2021-11-03",
        "due_date": "2021-11-17",
        "vendor": "SonicWall",
        "product": "SSLVPN SMA100",
        "name": "SonicWall SSLVPN SMA100 SQL Injection Vulnerability",
        "ransomware": 1
    },
    "exploits": [],
    "refs_list": [
        "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0001",
        "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0001",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20016"
    ]
}