CVE-2021-3183: Files Fat Client

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Files.com Fat Client 3.3.6 allows authentication bypass because the client continues to have access after a logout and a removal of a login profile.

Affected products

• Files Fat Client: version 3.3.6 only

Published 2021-01-19. Last modified 2026-06-17.