CVE-2021-36385 : What You Need to Know

A SQL Injection vulnerability in Cerner Mobile Care 5.0.0 allows remote unauthenticated attackers to execute arbitrary SQL commands via a Fullwidth Apostrophe (aka U+FF07) in the default.aspx User ID field. Arbitrary system commands can be executed through the use of xp_cmdshell.

Understanding CVE-2021-36385

This CVE concerns a SQL Injection vulnerability in Cerner Mobile Care 5.0.0 that exposes systems to remote attacks allowing for the execution of unauthorized SQL commands.

What is CVE-2021-36385?

CVE-2021-36385 is a security flaw that enables unauthenticated attackers to run malicious SQL queries through a specific input field, paving the way for potential system compromise.

The Impact of CVE-2021-36385

The exploitation of this vulnerability can lead to unauthorized access, data theft, and potential system hijacking by executing arbitrary system commands.

Technical Details of CVE-2021-36385

This section delves deeper into the technical aspects of the CVE, highlighting the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Cerner Mobile Care 5.0.0 arises from inadequate input validation, permitting the injection of SQL commands that can be leveraged to manipulate database queries.

Affected Systems and Versions

Cerner Mobile Care version 5.0.0 is specifically impacted by this flaw, exposing systems that utilize this version to potential exploitation.

Exploitation Mechanism

Remote attackers can leverage a Fullwidth Apostrophe (U+FF07) in the default.aspx User ID field to inject SQL commands and execute unauthorized system commands, such as xp_cmdshell.

Mitigation and Prevention

It's crucial for organizations to take immediate steps to address and mitigate the risk posed by CVE-2021-36385.

Immediate Steps to Take

Organizations should apply the latest security updates and patches provided by Cerner to close this vulnerability immediately.
Implement strict input validation mechanisms to prevent SQL injection attacks.

Long-Term Security Practices

Regular security assessments and audits to detect vulnerabilities proactively.
Train developers and administrators on secure coding practices and the importance of input validation.

Patching and Updates

Stay informed about security advisories from Cerner and promptly apply patches and updates to ensure your systems are protected against known vulnerabilities.