{
  "cvss": 9.8,
  "datePublished": "2021-11-03",
  "dateUpdated": "2021-11-03",
  "description": "SonicWall Email Security contains an improper privilege management vulnerability that allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20022 and CVE-2021-20023 to achieve privilege escalation.",
  "dueDate": "2021-11-17",
  "id": "CVE-2021-20021",
  "kev_catalogs": [
    "cisa"
  ],
  "knownRansomwareCampaignUse": "Known",
  "notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-20021",
  "product": "SonicWall Email Security",
  "requiredAction": "Apply updates per vendor instructions.",
  "severity": "CRITICAL",
  "source": "cisa_known_exploited",
  "title": "SonicWall Email Security Improper Privilege Management Vulnerability",
  "vendor": "SonicWall"
}