CVE-2021-28247 : Vulnerability Insights and Analysis
Learn about CVE-2021-28247 affecting CA eHealth Performance Manager. Discover the impact, technical details, affected versions, and mitigation steps to secure your systems.
CA eHealth Performance Manager through 6.3.2.12 is affected by Cross Site Scripting (XSS), allowing an authenticated remote user to inject arbitrary web script or HTML. This vulnerability impacts various endpoints of the platform.
Understanding CVE-2021-28247
This CVE involves a Cross Site Scripting (XSS) vulnerability in CA eHealth Performance Manager, allowing an authenticated remote user to execute a Reflected Cross-Site Scripting attack.
What is CVE-2021-28247?
CA eHealth Performance Manager through version 6.3.2.12 is vulnerable to Cross Site Scripting (XSS) due to incorrect sanitization of user-supplied data. This allows an authenticated remote user to inject arbitrary web script or HTML.
The Impact of CVE-2021-28247
The vulnerability enables an attacker to perform a Reflected Cross-Site Scripting attack against the platform users by exploiting endpoints like cgi/nhWeb, aviewbin/filtermibobjects.pl, and aviewbin/query.pl.
Technical Details of CVE-2021-28247
This section outlines the specific technical details of the CVE.
Vulnerability Description
The vulnerability in CA eHealth Performance Manager arises from the incorrect sanitization of user-supplied data, allowing an authenticated remote user to insert malicious scripts or HTML.
Affected Systems and Versions
CA eHealth Performance Manager versions up to 6.3.2.12 are impacted by this XSS vulnerability.
Exploitation Mechanism
An attacker can exploit this vulnerability by injecting malicious web script or HTML through specific endpoints, leading to a Reflected Cross-Site Scripting attack.
Mitigation and Prevention
Protecting your systems from CVE-2021-28247 is crucial for maintaining security.
Immediate Steps to Take
Ensure that user inputs are properly sanitized and validated to prevent XSS attacks. Consider implementing a web application firewall for additional protection.
Long-Term Security Practices
Regularly update and patch your systems to address known vulnerabilities. Educate users about safe browsing practices to mitigate the risk of XSS attacks.
Patching and Updates
Monitor security advisories and updates from the software vendor to apply patches promptly and stay protected against evolving threats.