CVE-2021-20577 : Vulnerability Insights and Analysis

IBM Cloud Pak for Security (CP4S) version 1.5.0.0 and 1.5.0.1 are vulnerable to cross-site scripting, which could allow attackers to inject arbitrary JavaScript code into the Web UI. This could potentially lead to the disclosure of credentials within a trusted session.

Understanding CVE-2021-20577

This section provides an overview of the CVE-2021-20577 vulnerability.

What is CVE-2021-20577?

The vulnerability in IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 allows for cross-site scripting, enabling the insertion of malicious JavaScript code that could compromise the intended functionality, risking credential exposure within a secure session.

The Impact of CVE-2021-20577

The impact of this vulnerability is rated as MEDIUM according to the CVSS V3.0 base score, with a vector string indicating high attack complexity and the requirement of user interaction for exploitation.

Technical Details of CVE-2021-20577

In this section, we delve into the technical aspects of CVE-2021-20577.

Vulnerability Description

The vulnerability is classified as a Cross-Site Scripting (XSS) flaw, allowing threat actors to manipulate JavaScript code in the Web UI, potentially leading to the compromise of user credentials.

Affected Systems and Versions

IBM Cloud Pak for Security versions 1.5.0.0 and 1.5.0.1 are confirmed to be affected by this vulnerability.

Exploitation Mechanism

The exploitation of this vulnerability requires high attack complexity and adjacent network access, with user interaction being a necessary component for successful exploitation.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent exploitation of CVE-2021-20577.

Immediate Steps to Take

Users are advised to apply official fixes provided by IBM to address this vulnerability promptly. Additionally, close monitoring of system activity is recommended to detect and prevent unauthorized access.

Long-Term Security Practices

Implementing secure coding practices, regularly updating systems, and conducting security training for employees can help enhance the overall security posture and prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security updates and patches released by IBM for Cloud Pak for Security to ensure that known vulnerabilities are addressed and the system remains secure.