CVE-2021-25920 : What You Need to Know

OpenEMR versions v2.7.2-rc1 to 6.0.0 are vulnerable to Improper Access Control, allowing a malicious user to read and send sensitive messages. Learn more about the impact, technical details, and mitigation steps.

Understanding CVE-2021-25920

This CVE highlights a critical vulnerability in OpenEMR versions, exposing a flaw in user access control.

What is CVE-2021-25920?

CVE-2021-25920 affects OpenEMR versions v2.7.2-rc1 to 6.0.0, enabling unauthorized access to sensitive data and communication capabilities.

The Impact of CVE-2021-25920

The vulnerability allows malicious actors to impersonate users, potentially compromising sensitive information and communications within the OpenEMR platform.

Technical Details of CVE-2021-25920

The following points provide insight into the technical aspects of this CVE.

Vulnerability Description

The issue arises during the user creation process in OpenEMR, where inadequate access controls enable unauthorized users to manipulate sensitive data.

Affected Systems and Versions

OpenEMR versions from v2.7.2-rc1 to 6.0.0 are confirmed to be affected by this vulnerability, making them susceptible to exploitation.

Exploitation Mechanism

By taking advantage of the improper access control, threat actors can create a new user account with unauthorized privileges, leading to data breaches and message tampering.

Mitigation and Prevention

Discover best practices to mitigate the risk posed by CVE-2021-25920 and prevent potential security breaches.

Immediate Steps to Take

Users of OpenEMR should implement access controls, user authentication, and regular monitoring to detect any unauthorized activities promptly.

Long-Term Security Practices

Enforce a robust cybersecurity policy, conduct regular security audits, and provide comprehensive training to users to enhance platform security.

Patching and Updates

Stay informed about security patches released by OpenEMR and promptly update to the latest versions to address known vulnerabilities.