CVE lookup
CVE-2021-20021
SonicWall Email Security Improper Privilege Management Vulnerability
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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.
CISA required action: Apply updates per vendor instructions.