CVE-2021-40990 : What You Need to Know

Aruba ClearPass Policy Manager has been found to have a remote disclosure of sensitive information vulnerability.

Understanding CVE-2021-40990

This CVE involves a security vulnerability in the Aruba ClearPass Policy Manager that could potentially lead to a remote disclosure of sensitive information.

What is CVE-2021-40990?

The vulnerability affects several versions of the Aruba ClearPass Policy Manager: ClearPass Policy Manager 6.10.x prior to 6.10.2, 6.9.x prior to 6.9.7-HF1, and 6.8.x prior to 6.8.9-HF1.
Aruba has released patches to address this security flaw.

The Impact of CVE-2021-40990

The vulnerability could allow an attacker to remotely disclose sensitive information, posing a risk to the confidentiality of data handled by the affected systems.

Technical Details of CVE-2021-40990

This section provides a detailed overview of the vulnerability and its implications.

Vulnerability Description

A remote disclosure of sensitive information vulnerability was identified in multiple versions of the Aruba ClearPass Policy Manager.

Affected Systems and Versions

Affected versions include ClearPass Policy Manager 6.10.x prior to 6.10.2, 6.9.x prior to 6.9.7-HF1, and 6.8.x prior to 6.8.9-HF1.

Exploitation Mechanism

The vulnerability allows attackers to remotely access and extract sensitive information from the affected systems.

Mitigation and Prevention

Steps to mitigate and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Apply the patches released by Aruba to secure the ClearPass Policy Manager.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch software to prevent future vulnerabilities.
Implement network segmentation to limit the attack surface.

Patching and Updates

Ensure timely installation of security patches and updates provided by Aruba for the ClearPass Policy Manager.