CVE-2021-4291 Explained : Impact and Mitigation

OpenMRS Admin UI Module location.gsp cross site scripting vulnerability affecting versions up to 1.5.x, with a CVSS base score of 3.5.

Understanding CVE-2021-4291

This CVE involves a cross site scripting vulnerability in the OpenMRS Admin UI Module up to version 1.5.x, impacting the location.gsp file.

What is CVE-2021-4291?

A flaw in OpenMRS Admin UI Module up to 1.5.x allows remote attackers to conduct cross site scripting attacks via the location.gsp file.

The Impact of CVE-2021-4291

The vulnerability can be exploited remotely to execute malicious scripts, potentially leading to sensitive data exposure and unauthorized actions.

Technical Details of CVE-2021-4291

The vulnerability description, affected systems and versions, and the exploitation mechanism are critical aspects to understand.

Vulnerability Description

The issue lies in the manipulation of data in the location.gsp file, enabling cross site scripting attacks remotely.

Affected Systems and Versions

OpenMRS Admin UI Module versions 1.0 to 1.5 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this issue remotely to inject and execute malicious scripts, compromising the integrity of the system.

Mitigation and Prevention

Taking immediate steps, implementing long-term security practices, and applying necessary patches and updates are essential.

Immediate Steps to Take

Upgrade to version 1.6.0 of the OpenMRS Admin UI Module to address and mitigate the cross site scripting vulnerability.

Long-Term Security Practices

Regularly monitor for security advisories, conduct security assessments, and prioritize secure coding practices to enhance the overall system's security posture.

Patching and Updates

Installing the patch with the identifier 'a7eefb5f69f6c50a3bffcb138bb8ea57cb41a9b6' is recommended to resolve the vulnerability and enhance system security.