CVE-2021-31599 : Exploit Details and Defense Strategies
Learn about CVE-2021-31599, a security vulnerability in Hitachi Vantara Pentaho through 9.1 and Pentaho Business Intelligence Server through 7.x that allows authenticated users to run arbitrary code.
An issue was discovered in Hitachi Vantara Pentaho through 9.1 and Pentaho Business Intelligence Server through 7.x that allows an authenticated user to run arbitrary code by exploiting the inclusion of BeanShell scripts in reports (.prpt) files.
Understanding CVE-2021-31599
This CVE highlights a security vulnerability in Hitachi Vantara Pentaho and Pentaho Business Intelligence Server that can lead to the execution of arbitrary code by authenticated users.
What is CVE-2021-31599?
CVE-2021-31599 is a vulnerability in Hitachi Vantara Pentaho and Pentaho Business Intelligence Server that enables attackers to run arbitrary code by leveraging BeanShell scripts in reports files.
The Impact of CVE-2021-31599
The impact of this vulnerability is rated as high, affecting confidentiality, integrity, and availability. An attacker with low privileges can exploit this flaw over a network without user interaction.
Technical Details of CVE-2021-31599
This section dives into the specifics of the vulnerability.
Vulnerability Description
The vulnerability allows the inclusion of BeanShell scripts in reports files, enabling authenticated users to execute arbitrary code.
Affected Systems and Versions
Hitachi Vantara Pentaho through version 9.1 and Pentaho Business Intelligence Server through version 7.x are affected by this vulnerability.
Exploitation Mechanism
The attacker needs to be an authenticated user to exploit this vulnerability, leveraging the inclusion of BeanShell scripts in reports files.
Mitigation and Prevention
Protecting your systems from CVE-2021-31599 is crucial for maintaining security.
Immediate Steps to Take
Ensure that all users are authenticated and restrict access to reports files containing BeanShell scripts. Consider disabling the execution of scripts in reports.
Long-Term Security Practices
Regularly update and patch your Hitachi Vantara Pentaho and Pentaho Business Intelligence Server installations. Conduct security training for users to raise awareness of potential threats.
Patching and Updates
Stay informed about security patches released by the vendors for Hitachi Vantara Pentaho and Pentaho Business Intelligence Server to mitigate the risk of exploitation.