CVE-2021-22515 : What You Need to Know

This article provides detailed information about CVE-2021-22515, a vulnerability in NetIQ Advanced Authentication Server that allows bypassing Multi-Factor Authentication (MFA) functionality.

Understanding CVE-2021-22515

This CVE concerns the ability to bypass MFA in NetIQ Advanced Authentication servers prior to version 6.3 SP4 Patch 1.

What is CVE-2021-22515?

The vulnerability in CVE-2021-22515 allows attackers to use single-factor authentication, compromising the security provided by MFA in affected versions of the NetIQ Advanced Authentication server.

The Impact of CVE-2021-22515

With a CVSS base score of 4.8 (Medium severity), this vulnerability poses a high confidentiality impact, allowing unauthorized access without the additional authentication factors.

Technical Details of CVE-2021-22515

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability enables the bypass of MFA, permitting the use of single-factor authentication instead.

Affected Systems and Versions

NetIQ Advanced Authentication versions prior to 6.3 SP4 Patch 1 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by downgrading the authentication process to single-factor access, circumventing MFA requirements.

Mitigation and Prevention

Following are the steps to mitigate and prevent exploitation of CVE-2021-22515.

Immediate Steps to Take

Upgrade to NetIQ Advanced Authentication Framework 6.3 SP4 Patch 1 to address and remediate the vulnerability.

Long-Term Security Practices

Implement regular security updates and patches, conduct security assessments, and monitor for abnormal authentication activities.

Patching and Updates

Stay informed about security bulletins and updates from Micro Focus regarding the NetIQ Advanced Authentication server to apply patches promptly.