CVE-2021-30211 Explained : Impact and Mitigation
Learn about CVE-2021-30211, a Stored Cross-Site Scripting vulnerability in Knowage Suite 7.3. Understand the impact, technical details, and mitigation steps to secure your system.
Knowage Suite 7.3 is susceptible to Stored Cross-Site Scripting (XSS) allowing attackers to insert malicious scripts through the 'surname' parameter in '/knowage/restful-services/signup/update'.
Understanding CVE-2021-30211
This CVE identifies a Stored Cross-Site Scripting vulnerability present in Knowage Suite 7.3.
What is CVE-2021-30211?
The vulnerability in Knowage Suite 7.3 enables attackers to insert arbitrary web scripts using the 'surname' parameter in certain API endpoints.
The Impact of CVE-2021-30211
Exploitation of this vulnerability can lead to unauthorized access to sensitive user data, unauthorized actions being performed on behalf of users, and potential leakage of sensitive information.
Technical Details of CVE-2021-30211
This section covers specific technical details related to the CVE.
Vulnerability Description
Knowage Suite 7.3 suffers from a Stored Cross-Site Scripting (XSS) vulnerability that allows attackers to inject malicious scripts through the 'surname' parameter.
Affected Systems and Versions
The vulnerability impacts Knowage Suite 7.3 versions specifically. Other versions may not be affected.
Exploitation Mechanism
By manipulating the 'surname' parameter in the '/knowage/restful-services/signup/update' endpoint, threat actors can execute arbitrary scripts, potentially compromising the system.
Mitigation and Prevention
It's crucial to take immediate action to mitigate the risks associated with CVE-2021-30211.
Immediate Steps to Take
Users are advised to apply the latest patches provided by the vendor promptly. Additionally, input validation and output encoding should be enforced to prevent XSS attacks.
Long-Term Security Practices
Regular security assessments, code reviews, and security trainings can help enhance the overall security posture and minimize the risk of similar vulnerabilities in the future.
Patching and Updates
Stay informed about security updates released by Knowage to address CVE-2021-30211. Regularly update the software to the latest secure version to protect the system from known vulnerabilities.