Vendor / Project: SonicWall Product: SonicWall Email Security 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. Required Action: Apply updates per vendor instructions. Due Date: 2021-11-17 Ransomware Campaign Use: Known CWEs: CWE-306 Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-20021