Discover the security vulnerability in Hitachi Vantara Pentaho and Pentaho Business Intelligence Server allowing authenticated users to access all valid usernames. Learn about the impact, affected versions, and mitigation steps.
A security vulnerability has been identified in Hitachi Vantara Pentaho up to version 9.1 and Pentaho Business Intelligence Server up to version 7.x. This vulnerability allows authenticated users, regardless of privileges, to retrieve a list of all valid usernames.
Understanding CVE-2021-31600
This section will provide an overview of the CVE-2021-31600 vulnerability.
What is CVE-2021-31600?
The issue discovered in Hitachi Vantara Pentaho and Pentaho Business Intelligence Server involves the implementation of web services using the SOAP protocol, enabling authenticated users to list all valid usernames, irrespective of their privileges.
The Impact of CVE-2021-31600
The vulnerability poses a medium severity risk with a CVSS base score of 4.3. It affects confidentiality to a low extent and has no impact on integrity or availability. The attack complexity is low, and user interaction is not required.
Technical Details of CVE-2021-31600
This section will delve into the technical specifics of CVE-2021-31600.
Vulnerability Description
The vulnerability allows any authenticated user to access a list of all valid usernames within the system, regardless of the user's privileges or permissions.
Affected Systems and Versions
Hitachi Vantara Pentaho versions up to 9.1 and Pentaho Business Intelligence Server up to 7.x are impacted by this vulnerability.
Exploitation Mechanism
An attacker can exploit this vulnerability by leveraging the SOAP web services to retrieve a list of usernames without requiring significant privileges.
Mitigation and Prevention
This section will outline the steps to mitigate and prevent exploitation of CVE-2021-31600.
Immediate Steps to Take
Organizations are advised to restrict access to the SOAP services to only authorized users and implement additional authentication measures to prevent unauthorized access.
Long-Term Security Practices
Regular security assessments, user access reviews, and continuous monitoring of privileges are essential for maintaining a secure environment and preventing similar vulnerabilities.
Patching and Updates
Users should ensure that they apply the latest security patches and updates provided by Hitachi Vantara for Pentaho and Pentaho Business Intelligence Server to address this vulnerability.