CVE-2020-3921: Unisoon Ultralog Express Firmware

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

UltraLog Express device management software stores user’s information in cleartext. Any user can obtain accounts information through a specific page.

Affected products

• Unisoon Ultralog Express Firmware: version 1.4.0 only

Published 2020-03-27. Last modified 2026-06-17.