CVE-2021-20022: SonicWall Email Security Unrestricted Upload of File Vulnerability (SonicWall SonicWall Email Security)

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. اقدام لازم: Apply updates per vendor instructions.