CVE-2021-27778 : Security Advisory and Response

HCL Traveler is susceptible to a cross-site scripting vulnerability that could potentially allow attackers to execute malicious scripts and access sensitive information.

Understanding CVE-2021-27778

This CVE identifies a cross-site scripting vulnerability in HCL Traveler that could be exploited by attackers to execute harmful scripts.

What is CVE-2021-27778?

CVE-2021-27778 involves a security flaw in HCL Traveler related to improper validation of the Name parameter for Approved Applications in the administration web pages. This flaw enables attackers to run malicious scripts.

The Impact of CVE-2021-27778

The vulnerability in HCL Traveler may permit attackers to execute malicious scripts, potentially compromising sensitive information, such as cookies and session tokens, stored in the browser.

Technical Details of CVE-2021-27778

This section discusses the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises due to insufficient validation of the Name parameter for Approved Applications in the Traveler administration web pages, leading to the execution of malicious scripts.

Affected Systems and Versions

HCL Traveler versions 12.0.1.0 and earlier are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting and executing malicious scripts through the Name parameter in the Traveler administration web pages.

Mitigation and Prevention

Learn how to mitigate the risks posed by CVE-2021-27778.

Immediate Steps to Take

It is recommended to apply security patches or updates provided by HCL Software to address this vulnerability promptly.

Long-Term Security Practices

Regularly monitor security advisories and updates from HCL Software to stay informed about potential vulnerabilities and best practices.

Patching and Updates

Stay vigilant about installing software patches and updates to prevent exploitation of known vulnerabilities.