CVE-2020-4251 Explained : Impact and Mitigation

IBM API Connect 5.0.0.0 through 5.0.8.8 is vulnerable to cross-site scripting, potentially leading to credentials disclosure within a trusted session.

Understanding CVE-2020-4251

IBM API Connect versions 5.0.0.0 through 5.0.8.8 are susceptible to a cross-site scripting vulnerability.

What is CVE-2020-4251?

This CVE identifies a cross-site scripting vulnerability in IBM API Connect versions 5.0.0.0 through 5.0.8.8. The flaw allows attackers to inject arbitrary JavaScript code into the Web UI, potentially compromising the system's security.

The Impact of CVE-2020-4251

The vulnerability could result in unauthorized users embedding malicious scripts in the Web UI, leading to potential alteration of intended functionality and disclosure of sensitive credentials within a trusted session.

Technical Details of CVE-2020-4251

IBM API Connect 5.0.0.0 through 5.0.8.8 is affected by a cross-site scripting vulnerability.

Vulnerability Description

CVE ID: CVE-2020-4251
CVSS Base Score: 5.4 (Medium)
Attack Vector: Network
Exploit Code Maturity: High
User Interaction: Required
Privileges Required: Low
Remediation Level: Official Fix

Affected Systems and Versions

Product: API Connect
Vendor: IBM
Vulnerable Versions: 5.0.0.0, 5.0.8.8

Exploitation Mechanism

The vulnerability allows attackers to execute arbitrary JavaScript code in the Web UI, potentially compromising the system's integrity and confidentiality.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2020-4251.

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Regularly monitor and restrict user input to prevent script injection attacks.
Educate users on safe browsing practices to minimize the risk of XSS vulnerabilities.

Long-Term Security Practices

Implement secure coding practices to sanitize user inputs and prevent XSS attacks.
Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by IBM for API Connect.
Promptly apply patches to ensure the system is protected against known vulnerabilities.