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CVE-2021-4246 Explained : Impact and Mitigation

Discover the impact of CVE-2021-4246, a critical SQL injection vulnerability in roxlukas LMeve Login Page. Learn about the affected systems, exploitation, and mitigation steps.

A critical vulnerability was found in roxlukas LMeve Login Page that allows for SQL injection via the X-Forwarded-For argument. This issue has been classified as critical and can be exploited remotely.

Understanding CVE-2021-4246

This CVE affects an unknown functionality of the component Login Page in roxlukas LMeve, leading to SQL injection through the X-Forwarded-For argument.

What is CVE-2021-4246?

CVE-2021-4246 is a critical vulnerability in roxlukas LMeve Login Page that allows remote attackers to execute SQL injection via the X-Forwarded-For argument.

The Impact of CVE-2021-4246

The impact of this vulnerability is significant as it can lead to unauthorized access, data manipulation, and potential system compromise.

Technical Details of CVE-2021-4246

This section covers the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from improper neutralization of user-supplied input, specifically in the X-Forwarded-For argument, leading to SQL injection.

Affected Systems and Versions

The vulnerability affects the roxlukas LMeve Login Page, with all versions being susceptible to the exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by manipulating the X-Forwarded-For argument to inject malicious SQL queries.

Mitigation and Prevention

Discover how to protect your systems and prevent SQL injection attacks.

Immediate Steps to Take

It is crucial to apply the provided patch (29e1ead3bb1c1fad53b77dfc14534496421c5b5d) to mitigate the risk associated with this vulnerability.

Long-Term Security Practices

Implement security best practices such as input validation, parameterized queries, and regular security updates to prevent SQL injection attacks.

Patching and Updates

Regularly monitor vendor security updates and apply patches promptly to address known vulnerabilities within the system.

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