CVE-2021-3151 Explained : Impact and Mitigation

i-doit before version 1.16.0 is impacted by Stored Cross-Site Scripting (XSS) vulnerabilities. Attackers could exploit this to inject malicious scripts or HTML code through specific fields, potentially leading to remote attacks.

Understanding CVE-2021-3151

This section delves into the impact, vulnerability description, affected systems, exploitation mechanism, and mitigation strategies related to CVE-2021-3151.

What is CVE-2021-3151?

i-doit software versions before 1.16.0 contain a Stored Cross-Site Scripting (XSS) flaw that allows authenticated remote attackers to insert arbitrary web scripts or HTML via certain fields.

The Impact of CVE-2021-3151

The vulnerability enables attackers to execute scripts in the context of a victim's browser session, potentially leading to unauthorized actions, data theft, or further attacks on users accessing the compromised application.

Technical Details of CVE-2021-3151

This section provides a detailed overview of the vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The flaw in i-doit versions prior to 1.16.0 allows authenticated remote attackers to insert malicious web scripts or HTML code into specific fields, leading to potential XSS attacks.

Affected Systems and Versions

All versions of i-doit before 1.16.0 are vulnerable to this Stored Cross-Site Scripting (XSS) issue.

Exploitation Mechanism

Remote authenticated attackers can leverage this vulnerability to inject malicious scripts or HTML through fields like C__MONITORING__CONFIG__TITLE, C__MONITORING__CONFIG__PATH, and C__MONITORING__CONFIG__ADDRESS.

Mitigation and Prevention

Explore immediate steps and long-term strategies to safeguard systems and data from CVE-2021-3151.

Immediate Steps to Take

Update i-doit to version 1.16.0 or newer to mitigate the XSS vulnerability.
Regularly monitor and audit the application for suspicious activities.
Educate users on safe browsing practices to prevent exploitation.

Long-Term Security Practices

Implement robust input validation mechanisms to sanitize user inputs effectively.
Conduct security assessments and penetration testing regularly to identify vulnerabilities.
Stay informed about security advisories and promptly apply patches and updates.