CVE-2021-40996 Explained : Impact and Mitigation

Aruba ClearPass Policy Manager has a remote authentication bypass vulnerability that affects versions 6.10.x, 6.9.x, and 6.8.x.

Understanding CVE-2021-40996

This CVE involves a critical security issue in Aruba ClearPass Policy Manager.

What is CVE-2021-40996?

Aruba ClearPass Policy Manager versions 6.10.x, 6.9.x, and 6.8.x are susceptible to a remote authentication bypass vulnerability.

The Impact of CVE-2021-40996

This vulnerability allows remote attackers to bypass authentication measures, potentially leading to unauthorized access to sensitive systems and data.

Technical Details of CVE-2021-40996

Aruba ClearPass Policy Manager's vulnerability specifics are outlined below.

Vulnerability Description

A remote authentication bypass vulnerability is present in ClearPass Policy Manager versions:

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

Affected Systems and Versions

Aruba ClearPass Policy Manager versions 6.10.x, 6.9.x, and 6.8.x

Exploitation Mechanism

Attackers exploit this vulnerability remotely to bypass authentication controls and gain unauthorized access.

Mitigation and Prevention

Steps to address and prevent the CVE issue are crucial.

Immediate Steps to Take

Apply the patches released by Aruba for ClearPass Policy Manager promptly.
Review and enhance network security configurations.
Monitor for any unusual or unauthorized access attempts.

Long-Term Security Practices

Regularly update and patch all software and systems in the network.
Conduct security audits and penetration testing regularly.

Patching and Updates

Aruba has released patches addressing this vulnerability.