CVE-2020-3933 : Security Advisory and Response

TAIWAN SECOM CO., LTD. - User Account Enumeration

Understanding CVE-2020-3933

This CVE involves a vulnerability in TAIWAN SECOM CO., LTD.'s Door Access Control and Personnel Attendance Management systems, allowing attackers to enumerate and examine user accounts.

What is CVE-2020-3933?

CVE-2020-3933 is a security vulnerability that enables attackers to enumerate and examine user accounts within TAIWAN SECOM CO., LTD.'s systems.

The Impact of CVE-2020-3933

The vulnerability poses a medium severity risk with a CVSS base score of 5.3. It has a low impact on confidentiality and no impact on integrity or availability.

Technical Details of CVE-2020-3933

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability allows attackers to enumerate and examine user accounts within the Door Access Control and Personnel Attendance Management systems.

Affected Systems and Versions

Door Access Control system version 3.3.2 and below
Personnel Attendance system version 3.3.0.3_20160517 and below

Exploitation Mechanism

The vulnerability can be exploited remotely with low complexity, requiring no privileges or user interaction.

Mitigation and Prevention

Protect your systems from CVE-2020-3933 with the following steps:

Immediate Steps to Take

Update Door Access Control system to version 3.5.4
Update Personnel Attendance system to a version prior to 3.4.0.0.3.05_20191112

Long-Term Security Practices

Regularly monitor and audit user accounts
Implement strong access control measures
Conduct security training for system users

Patching and Updates

Ensure all systems are regularly updated with the latest security patches to prevent vulnerabilities.