CVE-2019-17121 Explained : Impact and Mitigation
Learn about CVE-2019-17121, a cross-site scripting (XSS) vulnerability in REDCap versions before 9.3.4. Find out the impact, affected systems, exploitation method, and mitigation steps.
REDCap before version 9.3.4 was found to have a cross-site scripting (XSS) vulnerability on the Customize & Manage Locking/E-signatures page. This vulnerability could be exploited through the Lock Record Custom Text values feature.
Understanding CVE-2019-17121
This CVE entry describes a specific XSS vulnerability in REDCap versions prior to 9.3.4.
What is CVE-2019-17121?
CVE-2019-17121 is a cross-site scripting (XSS) vulnerability found in earlier versions of REDCap, allowing attackers to execute malicious scripts on the Customize & Manage Locking/E-signatures page.
The Impact of CVE-2019-17121
The vulnerability could lead to unauthorized access, data theft, and potential compromise of sensitive information stored within the affected REDCap instances.
Technical Details of CVE-2019-17121
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The XSS vulnerability in REDCap versions prior to 9.3.4 allows attackers to inject and execute malicious scripts through the Lock Record Custom Text values feature.
Affected Systems and Versions
- Product: REDCap
- Vendor: N/A
- Versions Affected: All versions prior to 9.3.4
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts into the Lock Record Custom Text values feature on the Customize & Manage Locking/E-signatures page.
Mitigation and Prevention
Protecting systems from CVE-2019-17121 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade REDCap to version 9.3.4 or later to mitigate the XSS vulnerability.
- Regularly monitor and audit the Customize & Manage Locking/E-signatures page for any suspicious activities.
Long-Term Security Practices
- Implement secure coding practices to prevent XSS vulnerabilities in web applications.
- Educate users on identifying and reporting potential security threats.
Patching and Updates
Stay informed about security updates and patches released by REDCap to address vulnerabilities like CVE-2019-17121.