CVE-2021-27780 : What You Need to Know

HCL BigFix Mobile / Modern Client Management is vulnerable to both Un-Auth XML interaction and unauthenticated device enrollment.

Understanding CVE-2021-20657

This article discusses the details and impact of CVE-2021-27780, affecting HCL BigFix Mobile / Modern Client Management.

What is CVE-2021-27780?

The vulnerability in HCL BigFix Mobile / Modern Client Management could allow unauthorized XML interaction and device enrollment without authentication.

The Impact of CVE-2021-27780

With a CVSS base score of 5.3, this medium-severity vulnerability could lead to low confidentiality impact when exploited.

Technical Details of CVE-2021-27780

Explore the technical aspects and implications of CVE-2021-27780 on affected systems and versions.

Vulnerability Description

The vulnerability is due to missing XML validation in HCL BigFix Mobile / Modern Client Management, facilitating unauthenticated interactions and device enrollment.

Affected Systems and Versions

HCL BigFix Mobile / Modern Client Management versions 1.x and 2.x are impacted by this vulnerability.

Exploitation Mechanism

Attackers can leverage the vulnerability to interact with XML data and enroll devices without proper authentication.

Mitigation and Prevention

Discover the steps to mitigate the risk and prevent potential exploitation of CVE-2021-27780.

Immediate Steps to Take

Apply security patches provided by HCL Software to address the vulnerability promptly on affected systems.

Long-Term Security Practices

Ensure regular security assessments, validate XML inputs, and implement strong authentication mechanisms to enhance overall security posture.

Patching and Updates

Stay informed about security updates from HCL Software and promptly install patches to secure systems against known vulnerabilities.