CVE-2021-20021

CVE-2021-20021 affects SonicWall Email Security. The vulnerability enables an unauthenticated attacker to create an administrative account via a crafted HTTP request to the ES appliance, by exploiting an improperly secured admin API endpoint. This leads to privilege escalation with administrator ...

CVE-2021-20022

CVE-2021-20022 affects SonicWall Email Security versions 10.0.9.x and enables post-authenticated arbitrary file upload via the branding ZIP mechanism (Zip Slip style) to write files to the server. FireEye/Mandiant detail that lack of input validation allows an attacker to place a web shell in a w...

CVE-2021-20023

The CVE-2021-20023 entry affects SonicWall Email Security (version 10.0.9.x). Connected advisories describe a directory traversal/path traversal vulnerability that, when exploited by a post-authenticated attacker, could allow reading arbitrary files on the remote host. Evidence from advisories an...

CVE-2025-40605

CVE-2025-40605 affects SonicWall Email Security appliances and is a path traversal vulnerability that lets an attacker manipulate file system paths by inserting directory-traversal sequences (e.g., ../) to access files outside restricted paths. The advisory set confirms related fixes in SonicWall...

CVE-2025-40604

The CVE-2025-40604 affects SonicWall Email Security appliances. It describes a vulnerability where the device downloads root filesystem images without verifying signatures, enabling attackers with VMDK or datastore access to modify system files and achieve persistent arbitrary code execution. Pub...