CVE-2021-40994 : Exploit Details and Defense Strategies

Aruba ClearPass Policy Manager has been found to have a remote arbitrary command execution vulnerability.

Understanding CVE-2021-40994

Aruba ClearPass Policy Manager is impacted by a critical security flaw that allows remote attackers to execute arbitrary commands on the system.

What is CVE-2021-40994?

Aruba ClearPass Policy Manager versions 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 are vulnerable to remote arbitrary command execution.

The Impact of CVE-2021-40994

This vulnerability can be exploited by remote attackers to execute arbitrary commands on affected systems, potentially leading to complete system compromise.

Technical Details of CVE-2021-40994

Aruba ClearPass Policy Manager's CVE-2021-40994 vulnerability has the following technical details:

Vulnerability Description

The vulnerability allows for remote arbitrary command execution.

Affected Systems and Versions

Aruba ClearPass Policy Manager 6.10.x prior to 6.10.2
Aruba ClearPass Policy Manager 6.9.x prior to 6.9.7-HF1
Aruba ClearPass Policy Manager 6.8.x prior to 6.8.9-HF1

Exploitation Mechanism

The vulnerability is exploited remotely to execute commands on the affected systems.

Mitigation and Prevention

It is crucial to take immediate steps to secure systems and prevent exploitation.

Immediate Steps to Take

Apply patches released by Aruba for ClearPass Policy Manager.
Implement network segmentation to restrict access to vulnerable systems.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and systems.
Conduct security audits and penetration testing to identify vulnerabilities.
Educate users on best security practices to prevent social engineering attacks.

Patching and Updates

Aruba has released patches to address the CVE-2021-40994 vulnerability in ClearPass Policy Manager.