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CVE-2021-20022 — SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated…

Sonicwall · Email Security · Published 9 Apr 2021 · Modified 1 Oct 2026

Description

SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload an arbitrary file to the remote host.

References

What to do
  1. Check whether Email Security is in your asset inventory.
  2. Exploitation confirmed — patch within 72 hours.
  3. Record the decision in your risk register for audit evidence.
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Link: adminadda.com/cve/CVE-2021-20022