CVE-2021-20023: SonicWall Email Security Path Traversal Vulnerability (SonicWall SonicWall Email Security)

SonicWall Email Security contains a path traversal vulnerability that allows a post-authenticated attacker to read files on the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20022 to achieve privilege escalation. اقدام لازم: Apply updates per vendor instructions.