CVE-2021-40669 : Exploit Details and Defense Strategies

A SQL Injection vulnerability exists in Wuzhi CMS 4.1.0 that can be exploited via the keywords parameter.

Understanding CVE-2021-40669

This CVE-2021-40669 advisory covers the SQL Injection vulnerability found in Wuzhi CMS 4.1.0.

What is CVE-2021-40669?

It is a SQL Injection vulnerability present in Wuzhi CMS 4.1.0 through the keywords parameter in the coreframe/app/promote/admin/index.php file.

The Impact of CVE-2021-40669

Attackers can execute arbitrary SQL queries leading to data leakage or unauthorized actions.
Malicious actors can potentially take control of the affected system.

Technical Details of CVE-2021-40669

This section explores the specifics of the vulnerability.

Vulnerability Description

The SQL Injection vulnerability allows attackers to manipulate SQL queries via the keywords parameter.

Affected Systems and Versions

Product: Wuzhi CMS 4.1.0
Vendor: n/a
Versions: n/a

Exploitation Mechanism

Attackers inject malicious SQL statements through the keywords parameter.
This can lead to unauthorized data access or system control.

Mitigation and Prevention

Steps to protect systems from CVE-2021-40669.

Immediate Steps to Take

Apply security patches provided by the vendor.
Implement input validation to sanitize user-supplied data.
Monitor and log SQL errors for any suspicious activities.

Long-Term Security Practices

Regularly update and patch the Wuzhi CMS system.
Conduct regular security audits and penetration testing.

Patching and Updates

Stay informed about security updates from Wuzhi CMS.
Immediately apply patches to mitigate the SQL Injection vulnerability.