CVE-2021-36201 Explained : Impact and Mitigation

A vulnerability has been discovered in Johnson Controls' C•CURE 9000 access control system that could allow unauthorized users to enumerate user accounts in certain versions of the software.

Understanding CVE-2021-36201

This CVE record details a security issue named 'CCURE Observable Response Discrepancy' affecting CCURE 9000 version 2.90 and earlier.

What is CVE-2021-36201?

Under certain circumstances, a CCURE Portal user could enumerate user accounts in CCURE 9000 version 2.90 and prior versions.

The Impact of CVE-2021-36201

The vulnerability could allow unauthorized users to gain access to sensitive information by enumerating user accounts within the affected software.

Technical Details of CVE-2021-36201

This section provides a deeper insight into the vulnerability.

Vulnerability Description

The vulnerability arises due to an observable response discrepancy in the CCURE 9000 access control software.

Affected Systems and Versions

The issue affects CCURE 9000 version 2.90 and earlier versions.

Exploitation Mechanism

By exploiting this vulnerability, unauthorized users can potentially enumerate user accounts within the CCURE 9000 software.

Mitigation and Prevention

Here's what you need to do to mitigate the risks associated with CVE-2021-36201.

Immediate Steps to Take

Update CCURE 9000 version 2.90 with patch 2.90 SP5. Alternatively, consider upgrading to CCURE 9000 version 3.0 to address the vulnerability.

Long-Term Security Practices

Ensure regular security updates and patches are applied to your CCURE 9000 software. Implement strong access controls and monitoring mechanisms.

Patching and Updates

Download the necessary software patches and updates from the official source: Software Downloads