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2021-04-20
SonicWall Email Security Arbitrary File Read Vulnerability (CVE-2021-20023) Technical Advisory
[Affected Scope] SonicWall Email Security version 10.0.9.x.
[Impact] A post-authenticated attacker can exploit directory traversal to read arbitrary files on the remote host, potentially exposing sensitive system configurations and credentials.
[Mitigation] Immediately upgrade to the patched version (10.0.9.6173 or higher) as recommended by the vendor.