CVE-2021-38878 : Security Advisory and Response
Learn about CVE-2021-38878 affecting IBM QRadar SIEM versions 7.3, 7.4, and 7.5. Understand the impact, technical details, and mitigation steps to prevent exploitation.
IBM QRadar versions 7.3, 7.4, and 7.5 are susceptible to a security vulnerability that could allow a malicious actor to impersonate another actor due to key exchange without entity authentication. This CVE was published on April 25, 2022, with a CVSS base score of 5.9.
Understanding CVE-2021-38878
This section will provide an overview of the CVE-2021-38878 vulnerability in IBM QRadar SIEM.
What is CVE-2021-38878?
The CVE-2021-38878 vulnerability affects IBM QRadar versions 7.3, 7.4, and 7.5. It can be exploited by a malicious actor to impersonate another user due to a key exchange without entity authentication.
The Impact of CVE-2021-38878
With a CVSS base score of 5.9, this vulnerability has a medium severity level. It poses a risk of high integrity impact but does not affect confidentiality or availability. The exploit code maturity is currently unproven.
Technical Details of CVE-2021-38878
This section will delve into the technical aspects of the CVE-2021-38878 vulnerability.
Vulnerability Description
The vulnerability allows a malicious actor to impersonate another actor due to key exchange without entity authentication in IBM QRadar versions 7.3, 7.4, and 7.5.
Affected Systems and Versions
IBM QRadar SIEM versions 7.3, 7.4, and 7.5 are impacted by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited by a threat actor to impersonate another user through key exchange without entity authentication.
Mitigation and Prevention
This section will cover the steps to mitigate and prevent exploitation of CVE-2021-38878 in IBM QRadar SIEM.
Immediate Steps to Take
Users are advised to apply the official fix provided by IBM to address the vulnerability. Additionally, organizations should monitor for any unauthorized access or suspicious activities.
Long-Term Security Practices
Implementing strong authentication mechanisms, regularly monitoring system logs, and conducting security training for employees can help enhance overall security posture.
Patching and Updates
Stay informed about security updates and patches released by IBM for QRadar SIEM. Regularly apply these patches to ensure that systems are protected against known vulnerabilities.