CVE-2021-29880 : What You Need to Know

This CVE-2021-29880 article provides insights into a vulnerability affecting IBM QRadar SIEM version 7.4.3, highlighting the potential risk of information disclosure between tenants when using domains or multi-tenancy.

Understanding CVE-2021-29880

This section delves into the details of CVE-2021-29880, its impact, technical aspects, and mitigation strategies.

What is CVE-2021-29880?

The CVE-2021-29880 vulnerability in IBM QRadar SIEM version 7.4.3 Fix Pack 1 stems from a potential information disclosure risk between tenants due to misrouting SIEM data to an incorrect domain.

The Impact of CVE-2021-29880

The vulnerability poses a medium-severity risk with a base score of 5.3 (CVSSv3.0), allowing attackers to access high-value confidential tenant information but requires low privileges.

Technical Details of CVE-2021-29880

This section provides in-depth technical insights into the vulnerability, affected systems, and how attackers can exploit it.

Vulnerability Description

CVE-2021-29880 exposes a flaw in IBM QRadar SIEM 7.4.3 Fix Pack 1, leading to potential information leakage between tenants due to misdirected data routing.

Affected Systems and Versions

The vulnerability impacts IBM QRadar SIEM version 7.4.3 GA and specifically affects installations utilizing multi-tenancy or domain configurations.

Exploitation Mechanism

Attackers can exploit this vulnerability to intercept sensitive data belonging to different tenants by manipulating SIEM data routing within the system.

Mitigation and Prevention

To safeguard systems against CVE-2021-29880, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Organizations should apply the official fix provided by IBM to address the vulnerability and prevent information disclosure between tenants.

Long-Term Security Practices

Implement stringent access controls, regular security assessments, and monitoring mechanisms to detect unauthorized data access and prevent similar vulnerabilities.

Patching and Updates

Regularly update IBM QRadar SIEM to the latest versions and apply security patches to mitigate known vulnerabilities.