CVE-2021-20336 Explained : Impact and Mitigation
Learn about CVE-2021-20336, a stored cross-site scripting vulnerability in IBM Tivoli Netcool/OMNIbus_GUI 8.1.0, allowing attackers to alter system functionality and potentially disclose credentials.
IBM Tivoli Netcool/OMNIbus_GUI 8.1.0 is vulnerable to stored cross-site scripting, potentially leading to credentials disclosure within a trusted session.
Understanding CVE-2021-20336
This CVE refers to a stored cross-site scripting vulnerability in IBM Tivoli Netcool/OMNIbus_GUI 8.1.0, exposing systems to the risk of unauthorized JavaScript injection.
What is CVE-2021-20336?
The vulnerability in IBM Tivoli Netcool/OMNIbus_GUI 8.1.0 allows threat actors to insert malicious JavaScript code into the Web UI, potentially compromising system integrity and exposing sensitive information.
The Impact of CVE-2021-20336
This vulnerability poses a medium-level risk with a CVSS base score of 6.4, enabling attackers to alter the system's intended functionality and potentially disclose credentials within a trusted session.
Technical Details of CVE-2021-20336
This section outlines the specifics of the vulnerability, including affected systems and the exploitation mechanism.
Vulnerability Description
The vulnerability allows users to embed arbitrary JavaScript code in the Web UI, affecting the intended functionality of the system and opening possibilities for unauthorized access.
Affected Systems and Versions
IBM Tivoli Netcool/OMNIbus_GUI version 8.1.0 is confirmed to be affected by this vulnerability, putting installations at risk of exploitation.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting JavaScript code into the Web UI, manipulating system behavior, and potentially gaining access to sensitive credentials.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks associated with CVE-2021-20336 and prevent future vulnerabilities.
Immediate Steps to Take
Organizations are advised to apply official fixes promptly, monitor system activity for any suspicious behavior, and restrict user privileges to minimize the attack surface.
Long-Term Security Practices
Implement regular security assessments, educate users on safe browsing practices, and keep systems up to date with the latest security patches to prevent similar vulnerabilities.
Patching and Updates
Regularly check for security updates and patches provided by IBM to address the CVE-2021-20336 vulnerability and enhance system security.