CVE-2020-3933: Secom Dr.id Access Control

Medium severity, CVSS 5.3. EPSS: 1.2% chance of exploitation in the next 30 days.

TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, allows attackers to enumerate and exam user account in the system.

Affected products

• Secom Dr.id Access Control: before 3.3.2 (fixed in 3.3.2)
• Secom Dr.id Attendance System: before 3.3.0.3_20160517 (fixed in 3.3.0.3_20160517)

Published 2020-02-11. Last modified 2026-06-17.