CVE lookup
CVE-2021-20023
SonicWall Email Security Path Traversal Vulnerability
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Description
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.
CISA required action: Apply updates per vendor instructions.