CVE lookup
CVE-2021-20022
SonicWall Email Security Unrestricted Upload of File Vulnerability
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Description
SonicWall Email Security contains an unrestricted upload of file with dangerous type vulnerability that allows a post-authenticated attacker to upload a file to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20023 to achieve privilege escalation.
CISA required action: Apply updates per vendor instructions.