CVE-2020-4909 : Exploit Details and Defense Strategies

IBM Cloud Pak System 2.3 is vulnerable to cross-site scripting, potentially leading to credential disclosure. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2020-4909

IBM Cloud Pak System 2.3 is susceptible to a cross-site scripting vulnerability that could allow attackers to execute arbitrary JavaScript code.

What is CVE-2020-4909?

Cross-site scripting vulnerability in IBM Cloud Pak System 2.3 allows malicious users to inject JavaScript code into the Web UI, compromising the system's intended functionality and potentially exposing sensitive credentials.

The Impact of CVE-2020-4909

This vulnerability poses a medium severity risk, with a CVSS base score of 4.8, potentially leading to credential disclosure within a trusted session.

Technical Details of CVE-2020-4909

IBM Cloud Pak System 2.3 vulnerability details and exploitation mechanisms.

Vulnerability Description

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: Required
Exploit Code Maturity: High

Affected Systems and Versions

Product: Cloud Pak System
Vendor: IBM
Version: 2.3

Exploitation Mechanism

The vulnerability requires user interaction to exploit, with a high level of privileges needed for successful attack.

Mitigation and Prevention

Protect your system from CVE-2020-4909 with immediate and long-term security measures.

Immediate Steps to Take

Apply official fixes provided by IBM
Educate users on safe browsing practices
Monitor and restrict user input on the Web UI

Long-Term Security Practices

Regular security training for employees
Implement Content Security Policy (CSP) to mitigate XSS attacks

Patching and Updates

Stay informed about security bulletins and updates from IBM
Apply patches promptly to address known vulnerabilities