CVE-2021-20396 Explained : Impact and Mitigation

IBM QRadar Analyst Workflow App versions 1.0 through 1.18.0 for IBM QRadar SIEM have a vulnerability that allows web pages to be stored locally and accessed by unauthorized users.

Understanding CVE-2021-20396

This CVE affects IBM QRadar Analyst Workflow App versions 1.0 through 1.18.0, exposing a security flaw that allows unauthorized access to locally stored web pages.

What is CVE-2021-20396?

CVE-2021-20396 is a vulnerability in IBM QRadar Analyst Workflow App versions 1.0 through 1.18.0 that enables unauthorized users to read locally stored web pages, compromising sensitive information.

The Impact of CVE-2021-20396

The impact of CVE-2021-20396 is rated as MEDIUM severity with a CVSS base score of 4. This vulnerability can result in low confidentiality impact and poses a risk of information disclosure.

Technical Details of CVE-2021-20396

The vulnerability is rated with a CVSSv3 base score of 4, indicating a MEDIUM severity level. It has a low attack complexity and vector, with no integrity or availability impact. The exploit code maturity is unproven.

Vulnerability Description

IBM QRadar Analyst Workflow App 1.0 through 1.18.0 allows unauthorized users to read web pages stored locally, creating a risk of confidential data exposure.

Affected Systems and Versions

Affected systems include IBM QRadar Analyst Workflow App versions 1.0 through 1.18.0 for IBM QRadar SIEM.

Exploitation Mechanism

The vulnerability can be exploited by accessing and reading locally stored web pages, potentially leading to unauthorized information access.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-20396, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Users are advised to apply the official fix provided by IBM to address the vulnerability and prevent unauthorized access to locally stored web pages.

Long-Term Security Practices

Maintain strict access controls, monitor web page activities, and regularly update and patch the IBM QRadar Analyst Workflow App to prevent security breaches.

Patching and Updates

Regularly check for security updates and patches released by IBM for the IBM QRadar Analyst Workflow App to ensure the latest security measures are in place.