CVE-2021-29771 Explained : Impact and Mitigation

IBM InfoSphere Information Server 11.7 is vulnerable to cross-site scripting, allowing users to execute arbitrary JavaScript code in the Web UI. This could potentially lead to credentials disclosure within a trusted session.

Understanding CVE-2021-29771

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-29771.

What is CVE-2021-29771?

CVE-2021-29771 pertains to a cross-site scripting vulnerability in IBM InfoSphere Information Server 11.7. This flaw enables malicious users to inject and execute arbitrary JavaScript code, altering the intended behavior of the Web UI and potentially compromising sensitive data.

The Impact of CVE-2021-29771

The impact of this vulnerability includes the risk of unauthorized access to sensitive information, potential data manipulation, and the compromise of user credentials stored within the application environment.

Technical Details of CVE-2021-29771

Below are the detailed technical aspects related to CVE-2021-29771.

Vulnerability Description

The cross-site scripting vulnerability in IBM InfoSphere Information Server 11.7 allows attackers to insert and execute arbitrary JavaScript code within the Web UI, posing a significant risk to the security and integrity of the application.

Affected Systems and Versions

This vulnerability affects InfoSphere Information Server version 11.7.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious JavaScript code into input fields or parameters within the application, triggering the execution of unauthorized scripts in the context of a trusted user session.

Mitigation and Prevention

To safeguard systems from CVE-2021-29771, organizations should follow these mitigation strategies.

Immediate Steps to Take

Apply official fixes or patches released by IBM to address the cross-site scripting vulnerability in InfoSphere Information Server 11.7.
Educate users about the risks associated with executing untrusted scripts and validate input data to prevent script injections.

Long-Term Security Practices

Implement secure coding practices and regularly conduct security assessments to identify and remediate vulnerabilities in web applications.
Monitor and review application logs for any suspicious activity indicative of cross-site scripting attacks.

Patching and Updates

Stay updated with security advisories from IBM and promptly apply security patches to mitigate the risk of cross-site scripting attacks.