CVE-2020-3934 : Exploit Details and Defense Strategies
Learn about CVE-2020-3934 affecting TAIWAN SECOM CO., LTD.'s Door Access Control and Personnel Attendance systems. Discover impact, affected versions, and mitigation steps.
TAIWAN SECOM CO., LTD. - Pre-auth SQL Injection vulnerability affecting Door Access Control and Personnel Attendance systems.
Understanding CVE-2020-3934
TAIWAN SECOM CO., LTD. disclosed a critical Pre-auth SQL Injection vulnerability in their Door Access Control and Personnel Attendance systems.
What is CVE-2020-3934?
This CVE involves a Pre-auth SQL Injection flaw in TAIWAN SECOM CO., LTD.'s systems, enabling malicious actors to execute arbitrary SQL commands.
The Impact of CVE-2020-3934
The vulnerability has a CVSS base score of 9.8 (Critical), with high impacts on confidentiality, integrity, and availability, posing a significant security risk.
Technical Details of CVE-2020-3934
The vulnerability details and affected systems.
Vulnerability Description
- TAIWAN SECOM CO., LTD. systems are susceptible to Pre-auth SQL Injection, allowing unauthorized SQL command injection.
Affected Systems and Versions
- Door Access Control system <= 3.3.2
- Personnel Attendance system <= 3.3.0.3_20160517
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
Mitigation and Prevention
Protecting systems from CVE-2020-3934.
Immediate Steps to Take
- Update Door Access Control system to version 3.5.4
- Update Personnel Attendance system to version prior to 3.4.0.0.3.05_20191112
Long-Term Security Practices
- Regularly monitor and audit system logs for unusual activities
- Implement strict input validation to prevent SQL injection attacks
Patching and Updates
- Apply security patches promptly to mitigate vulnerabilities