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CVE-2021-43971 Explained : Impact and Mitigation

Learn about CVE-2021-43971, a SQL injection vulnerability in SysAid ITIL 20.4.74 b10 allowing attackers to execute arbitrary SQL commands. Discover mitigation steps and preventive measures.

A SQL injection vulnerability in /mobile/SelectUsers.jsp in SysAid ITIL 20.4.74 b10 allows a remote authenticated attacker to execute arbitrary SQL commands via the filterText parameter.

Understanding CVE-2021-43971

This CVE involves a SQL injection vulnerability in SysAid ITIL software, version 20.4.74 b10.

What is CVE-2021-43971?

CVE-2021-43971 is a security vulnerability in SysAid ITIL 20.4.74 b10 that enables a remote authenticated attacker to execute unauthorized SQL commands through the filterText parameter in /mobile/SelectUsers.jsp.

The Impact of CVE-2021-43971

The exploit allows attackers to perform SQL injection attacks, potentially leading to data loss, unauthorized access, or manipulation of the database.

Technical Details of CVE-2021-43971

This section outlines the specific technical details related to CVE-2021-43971.

Vulnerability Description

The vulnerability allows remote authenticated attackers to execute arbitrary SQL commands, posing a significant risk to the confidentiality and integrity of the data stored within the affected system.

Affected Systems and Versions

        Product: SysAid ITIL
        Version: 20.4.74 b10

Exploitation Mechanism

The attack vector involves manipulating the filterText parameter in the /mobile/SelectUsers.jsp component to inject SQL commands.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risk posed by CVE-2021-43971.

Immediate Steps to Take

        Apply patches provided by the vendor promptly.
        Monitor and review database activities for any suspicious SQL queries.
        Restrict access to the affected system to authorized personnel only.

Long-Term Security Practices

        Conduct regular security assessments and penetration testing to identify vulnerabilities.
        Educate users on secure coding practices to prevent SQL injection attacks.
        Implement network segmentation to limit the impact of potential breaches.
        Keep software and systems updated to address known security issues.

Patching and Updates

        Stay informed about security updates and patches released by SysAid for the affected version.
        Apply patches as soon as they are available to mitigate the SQL injection vulnerability.

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