CVE-2021-20386 Explained : Impact and Mitigation
Learn about CVE-2021-20386, a cross-site scripting vulnerability in IBM Security Guardium 11.2 that allows attackers to inject malicious JavaScript code, risking credential exposure. Find out the impact, affected versions, and mitigation steps.
IBM Security Guardium 11.2 is vulnerable to cross-site scripting, allowing users to embed JavaScript code in the Web UI, risking credentials disclosure. Here is an overview of this CVE.
Understanding CVE-2021-20386
This section provides insights into the nature and impact of the vulnerability.
What is CVE-2021-20386?
CVE-2021-20386 is a vulnerability in IBM Security Guardium 11.2 that enables attackers to insert malicious JavaScript code in the Web UI. This can compromise secure sessions and lead to the disclosure of sensitive credentials.
The Impact of CVE-2021-20386
The impact of this vulnerability is rated as MEDIUM severity based on the CVSS v3.0 score. With a base score of 6.1, this vulnerability requires user interaction to be exploited, potentially causing data confidentiality breaches.
Technical Details of CVE-2021-20386
In this section, the technical aspects of the CVE are detailed.
Vulnerability Description
The vulnerability allows unauthorized users to execute arbitrary JavaScript code in the Web UI interface of IBM Security Guardium 11.2, risking the integrity of the system and potential credentials exposure.
Affected Systems and Versions
IBM Security Guardium version 11.2 is the only confirmed affected product version by this CVE. Users of this version are advised to take immediate action to mitigate the risk.
Exploitation Mechanism
Exploiting this vulnerability requires no user privileges, but user interaction is necessary to insert malicious scripts into the Web UI, leading to credential disclosure within secure sessions.
Mitigation and Prevention
This section outlines the steps to take to mitigate the risks associated with CVE-2021-20386.
Immediate Steps to Take
To prevent exploitation, users should apply the official fix provided by IBM Security Guardium promptly. Additionally, users should be cautious when interacting with unknown or suspicious websites.
Long-Term Security Practices
Implementing secure coding practices and conducting regular security audits can help prevent similar vulnerabilities in the future. Educating users about the risks associated with cross-site scripting is also crucial.
Patching and Updates
Regularly updating the software and applying security patches released by IBM is essential to protect systems against known vulnerabilities.