CVE-2021-38874 : Exploit Details and Defense Strategies

A vulnerability in IBM QRadar SIEM versions 7.3, 7.4, and 7.5 allows unauthorized users to access information across tenant and domain boundaries, posing a medium severity risk.

Understanding CVE-2021-38874

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-38874.

What is CVE-2021-38874?

The vulnerability in IBM QRadar SIEM versions 7.3, 7.4, and 7.5 enables users to access information beyond their authorized boundaries. This can lead to unauthorized data exposure and potential security breaches.

The Impact of CVE-2021-38874

With a CVSS base score of 4.3 (Medium Severity), the vulnerability allows low-privileged users to extract confidential data. While there is no direct impact on system availability, the confidentiality of sensitive information can be compromised.

Technical Details of CVE-2021-38874

Gain a deeper understanding of the vulnerability specifics, affected systems, and the exploitation mechanism.

Vulnerability Description

The flaw in IBM QRadar SIEM versions 7.3, 7.4, and 7.5 permits users to cross boundaries and access unauthorized data. This breach in access control can result in data leakage and security incidents.

Affected Systems and Versions

IBM QRadar SIEM versions 7.3, 7.4, and 7.5 are affected by this vulnerability, leaving organizations with these versions exposed to unauthorized data access risks.

Exploitation Mechanism

Unauthorized users can exploit this vulnerability to access sensitive information across tenant and domain boundaries, bypassing access restrictions and potentially compromising data confidentiality.

Mitigation and Prevention

Explore immediate steps and long-term security practices to safeguard your systems against CVE-2021-38874.

Immediate Steps to Take

Organizations using IBM QRadar SIEM versions 7.3, 7.4, and 7.5 should apply the official fix provided by IBM to address the vulnerability. Access controls and user permissions should also be reviewed and updated to prevent unauthorized data access.

Long-Term Security Practices

Regular security assessments, access control reviews, and user training on data protection best practices can enhance the overall security posture against similar vulnerabilities.

Patching and Updates

Staying updated with security patches released by IBM for QRadar SIEM versions is crucial to address known vulnerabilities and protect sensitive data from unauthorized access.