CVE-2020-21394 : Exploit Details and Defense Strategies

A SQL Injection vulnerability in Zhong Bang Technology Co., Ltd CRMEB mall system V2.60 and V3.1 via the tablename parameter in SystemDatabackup.php.

Understanding CVE-2020-21394

This CVE involves a SQL Injection vulnerability in a specific version of the CRMEB mall system.

What is CVE-2020-21394?

CVE-2020-21394 is a security vulnerability that allows attackers to execute malicious SQL queries through the tablename parameter in SystemDatabackup.php in Zhong Bang Technology Co., Ltd CRMEB mall system V2.60 and V3.1.

The Impact of CVE-2020-21394

This vulnerability can lead to unauthorized access to sensitive data, data manipulation, and potentially full control of the affected system by malicious actors.

Technical Details of CVE-2020-21394

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability arises from improper input validation in the tablename parameter, enabling attackers to inject and execute arbitrary SQL queries.

Affected Systems and Versions

Zhong Bang Technology Co., Ltd CRMEB mall system V2.60
Zhong Bang Technology Co., Ltd CRMEB mall system V3.1

Exploitation Mechanism

Attackers exploit this vulnerability by manipulating the tablename parameter to inject SQL queries, gaining unauthorized access to the database.

Mitigation and Prevention

Protecting systems from CVE-2020-21394 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Implement input validation mechanisms to sanitize user inputs and prevent SQL injection attacks.
Monitor and log SQL queries for unusual or malicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate developers and administrators on secure coding practices and the risks of SQL injection.

Patching and Updates

Regularly update and patch the CRMEB mall system to ensure that known vulnerabilities, including CVE-2020-21394, are mitigated effectively.