Disclosure summary
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 remediation guidance
Apply updates per vendor instructions.
Original records & references
PUBLISHED 2021-11-03T00:00:00-04:00
MODIFIED 2021-11-03T00:00:00-04:00
INGESTED 2026-10-06T11:42:59-04:00