CVE-2021-30056 Explained : Impact and Mitigation
Discover the impact of CVE-2021-30056, a reflected cross-site scripting (XSS) vulnerability in Knowage Suite before 7.4, allowing attackers to execute arbitrary web scripts and potentially leak data.
A detailed article outlining the CVE-2021-30056 vulnerability in Knowage Suite before version 7.4, which is susceptible to reflected cross-site scripting (XSS) attacks and the potential impact on data security.
Understanding CVE-2021-30056
This section provides insight into the nature of the vulnerability and its implications.
What is CVE-2021-30056?
Knowage Suite before 7.4 is vulnerable to reflected cross-site scripting (XSS) attacks, allowing attackers to inject malicious web scripts through the 'EXEC_FROM' parameter in /restful-services/publish, potentially resulting in data leakage.
The Impact of CVE-2021-30056
The vulnerability in Knowage Suite exposes users to the risk of data theft and unauthorized access, compromising the confidentiality and integrity of sensitive information.
Technical Details of CVE-2021-30056
This section delves into the technical aspects of the vulnerability, including affected systems and exploitation methods.
Vulnerability Description
CVE-2021-30056 relates to a security flaw in Knowage Suite versions prior to 7.4, enabling attackers to execute arbitrary web scripts by manipulating the 'EXEC_FROM' parameter.
Affected Systems and Versions
All instances of Knowage Suite below version 7.4 are impacted by this XSS vulnerability, putting user data at risk of exposure.
Exploitation Mechanism
By exploiting the 'EXEC_FROM' parameter in the /restful-services/publish URI, threat actors can inject malicious scripts, leading to potential data leakage and unauthorized access.
Mitigation and Prevention
This section provides guidance on addressing the CVE-2021-30056 vulnerability and securing affected systems.
Immediate Steps to Take
Users should update Knowage Suite to version 7.4 or later to mitigate the risk of XSS attacks and enhance data security measures.
Long-Term Security Practices
Implementing web application firewalls, input validation mechanisms, and regular security audits can help prevent XSS vulnerabilities and protect sensitive data.
Patching and Updates
Stay informed about security patches and updates released by Knowage Suite developers to address known vulnerabilities and enhance system resilience.