CVE-2021-41187 : Vulnerability Insights and Analysis

DHIS 2 is an information system for data capture, management, validation, analytics, and visualization. A SQL injection security vulnerability has been found in specific versions of DHIS2, affecting the API endpoints for /api/trackedEntityInstances and api/events.

Understanding CVE-2021-41187

What is CVE-2021-41187?

DHIS 2, a data management system, is vulnerable to a SQL injection attack in certain versions. This vulnerability allows logged-in users to potentially read, edit, and delete data within the system.

The Impact of CVE-2021-41187

The vulnerability, when successfully exploited, can lead to a high impact on confidentiality, integrity, and availability of data within the DHIS 2 instance.

Technical Details of CVE-2021-41187

Vulnerability Description

DHIS 2 versions >= 2.32.0 and < 2.36.4 are affected by a SQL injection vulnerability in the Tracker API.

Affected Systems and Versions

DHIS 2 versions 2.32.0 to 2.36.4 are vulnerable to this SQL injection security flaw.

Exploitation Mechanism

The vulnerability can be exploited by logged-in users, enabling them to manipulate data within the DHIS 2 system.

Mitigation and Prevention

Immediate Steps to Take

Users using affected DHIS 2 versions 2.32.0 to 2.36.4 should install the necessary patches promptly.
For DHIS 2 instances utilizing Tracker functionality, upgrading the server to patched versions is crucial.

Long-Term Security Practices

Regularly monitor and update the DHIS 2 system to prevent known vulnerabilities.
Implement secure coding practices to mitigate SQL injection risks.

Patching and Updates

Install the patches provided by DHIS2 to address the SQL injection vulnerability effectively.