CVE-2021-29687 : Vulnerability Insights and Analysis

IBM Security Identity Manager 7.0.2 has a vulnerability that could allow a remote user to enumerate usernames. This issue arises due to a difference in responses from valid and invalid login attempts.

Understanding CVE-2021-29687

This section delves into the details of the CVE-2021-29687 vulnerability.

What is CVE-2021-29687?

IBM Security Identity Manager 7.0.2 is susceptible to a security flaw that enables a remote attacker to enumerate usernames by leveraging responses distinction between valid and invalid login attempts.

The Impact of CVE-2021-29687

The impact of this vulnerability is considered low as it requires specific conditions to be met for successful exploitation. The CVSS base score is 3.7, indicating a low severity level.

Technical Details of CVE-2021-29687

Let's explore the technical aspects of CVE-2021-29687.

Vulnerability Description

The vulnerability in IBM Security Identity Manager 7.0.2 allows a remote malicious actor to enumerate usernames via analyzing responses during login attempts, leading to a potential information disclosure risk.

Affected Systems and Versions

The vulnerability affects IBM Security Identity Manager version 7.0.2.

Exploitation Mechanism

By exploiting the distinct responses generated during valid and invalid login attempts, a remote attacker could enumerate usernames, posing a security risk to the system.

Mitigation and Prevention

Here are the essential steps to mitigate and prevent the CVE-2021-29687 vulnerability.

Immediate Steps to Take

IBM recommends applying the official fix provided to address this vulnerability promptly.

Long-Term Security Practices

Regularly monitor login activities for any anomalies or suspicious patterns.

Patching and Updates

Ensure that Security Identity Manager version 7.0.2 is updated with the latest patches and security fixes to prevent exploitation.