CVE-2021-35493 : Security Advisory and Response
Learn about CVE-2021-35493 affecting TIBCO WebFOCUS components with Stored and Reflected Cross Site Scripting (XSS) vulnerabilities. Understand the impact, technical details, and mitigation steps.
A Stored and Reflected Cross Site Scripting (XSS) vulnerability has been identified in TIBCO Software Inc.'s TIBCO WebFOCUS components, allowing attackers to execute malicious scripts. Here's what you need to know about CVE-2021-35493.
Understanding CVE-2021-35493
This vulnerability affects TIBCO WebFOCUS Client, Installer, and Reporting Server versions 8207.27.0 and below, exposing systems to potential exploitation.
What is CVE-2021-35493?
The vulnerability in WebFOCUS allows low privileged attackers to conduct XSS attacks, potentially gaining unauthorized access to affected systems.
The Impact of CVE-2021-35493
With a CVSS base score of 9.0 (Critical), this vulnerability poses a high risk as it requires minimal user interaction and can lead to significant data confidentiality, integrity, and availability breaches.
Technical Details of CVE-2021-35493
TIBCO WebFOCUS Reporting Server and Client are susceptible to Stored and Reflected XSS attacks, enabling threat actors to exploit users with network access.
Vulnerability Description
TIBCO WebFOCUS Client, Installer, and Reporting Server versions 8207.27.0 and below are vulnerable to stored and reflected XSS attacks, potentially allowing unauthorized script execution.
Affected Systems and Versions
The impacted products include TIBCO WebFOCUS Client, Installer, and Reporting Server with versions 8207.27.0 and below, exposing them to XSS vulnerabilities.
Exploitation Mechanism
Attackers can leverage social engineering techniques to trick legitimate users into executing malicious scripts on affected systems or local machines.
Mitigation and Prevention
To safeguard your systems against CVE-2021-35493, immediate actions and long-term security practices are crucial.
Immediate Steps to Take
TIBCO has released updated versions (8207.28.0 or later) for WebFOCUS Client, Installer, and Reporting Server to address these vulnerabilities.
Long-Term Security Practices
Regularly update TIBCO WebFOCUS components, educate users on cybersecurity best practices, and implement comprehensive security measures to mitigate XSS risks.
Patching and Updates
Apply the latest patches provided by TIBCO to ensure your systems are protected against known vulnerabilities.