CVE-2021-38869 : Exploit Details and Defense Strategies

This CVE-2021-38869 article provides insights into a vulnerability in IBM QRadar SIEM versions 7.3.3, 7.4.3, and 7.5. Users might not get logged out automatically after exceeding their idle timeout.

Understanding CVE-2021-38869

This section delves deeper into the details of the vulnerability.

What is CVE-2021-38869?

IBM QRadar SIEM versions 7.3.3, 7.4.3, and 7.5 may fail to log out users automatically after surpassing their idle timeout, as identified by IBM X-Force ID: 208341.

The Impact of CVE-2021-38869

The impact is characterized by a CVSS v3.0 base score of 4.3, classified as MEDIUM severity. The attack complexity is low, affecting the physical attack vector, with low confidentiality, integrity, and availability impacts.

Technical Details of CVE-2021-38869

This section provides the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in IBM QRadar SIEM may allow unauthorized individuals to gain access.

Affected Systems and Versions

Product: IBM QRadar SIEM
Versions: 7.3.3, 7.4.3, 7.5.0
Vendor: IBM

Exploitation Mechanism

The exploit code maturity is unproven, with no privileges required for exploitation.

Mitigation and Prevention

Strategies to address the CVE-2021-38869 exposure.

Immediate Steps to Take

Monitor user sessions closely to detect any unauthorized access.
Consider implementing multi-factor authentication for enhanced security.

Long-Term Security Practices

Regularly review and adjust idle timeout settings to minimize exposure.
Conduct security awareness training to educate users on session security best practices.

Patching and Updates

Apply the official fix from IBM to address the vulnerability promptly.