CVE-2021-29792 : Vulnerability Insights and Analysis
Learn about CVE-2021-29792 affecting IBM Event Streams versions 10.0-10.3. This medium-severity vulnerability allows unauthorized certificate creation and privilege escalation.
IBM Event Streams versions 10.0, 10.1, 10.2, and 10.3 are affected by a vulnerability that could allow a user to use the CA private key to create unauthorized certificates, deploy them in the cluster, and gain privileges of another user. This vulnerability has a CVSS base score of 4.7, making it of medium severity.
Understanding CVE-2021-29792
This section will cover the details of the CVE-2021-29792 vulnerability, its impact, technical aspects, and mitigation strategies.
What is CVE-2021-29792?
The CVE-2021-29792 vulnerability affects IBM Event Streams versions 10.0, 10.1, 10.2, and 10.3, allowing a user to exploit the CA private key to escalate privileges within the cluster.
The Impact of CVE-2021-29792
The vulnerability could enable a malicious actor to create unauthorized certificates, deploy them within the cluster, and elevate their user privileges, potentially leading to unauthorized access to sensitive data.
Technical Details of CVE-2021-29792
Let's delve into the technical aspects of the CVE-2021-29792 vulnerability to better understand how it could be exploited.
Vulnerability Description
The vulnerability permits a user to utilize the CA private key to generate and deploy unauthorized certificates, thereby gaining elevated privileges in the cluster.
Affected Systems and Versions
IBM Event Streams versions 10.0, 10.1, 10.2, and 10.3 are impacted by this security flaw.
Exploitation Mechanism
An attacker with high privileges can leverage the CA private key to manipulate certificates and gain unauthorized access within the cluster.
Mitigation and Prevention
Discover the recommended steps to mitigate the risk posed by CVE-2021-29792 and safeguard your systems.
Immediate Steps to Take
IBM recommends applying the official fix provided to address the vulnerability promptly.
Long-Term Security Practices
Enhance your overall security posture by enforcing least privilege access, monitoring certificate usage, and conducting regular security audits.
Patching and Updates
Stay informed about security patches and updates released by IBM to ensure your Event Streams instances are protected against known vulnerabilities.