CVE-2020-15521 Explained : Impact and Mitigation
Learn about CVE-2020-15521, a Cross-site Scripting (XSS) vulnerability in Zoho ManageEngine Applications Manager before 14 build 14730. Find out the impact, affected systems, exploitation method, and mitigation steps.
Zoho ManageEngine Applications Manager before 14 build 14730 is vulnerable to jsp/header.jsp Cross-site Scripting (XSS).
Understanding CVE-2020-15521
This CVE identifies a security vulnerability in Zoho ManageEngine Applications Manager that could allow for Cross-site Scripting attacks.
What is CVE-2020-15521?
CVE-2020-15521 refers to a lack of protection against jsp/header.jsp Cross-site Scripting (XSS) in Zoho ManageEngine Applications Manager before version 14 build 14730.
The Impact of CVE-2020-15521
The vulnerability could be exploited by attackers to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized access, data theft, or other malicious activities.
Technical Details of CVE-2020-15521
Zoho ManageEngine Applications Manager before 14 build 14730 is susceptible to XSS attacks due to inadequate protection mechanisms.
Vulnerability Description
The vulnerability in Zoho ManageEngine Applications Manager allows for the injection of malicious scripts via the jsp/header.jsp file, enabling XSS attacks.
Affected Systems and Versions
- Product: Zoho ManageEngine Applications Manager
- Version: Before 14 build 14730
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts into the vulnerable jsp/header.jsp file, which can then be executed within the context of a user's browser.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-15521.
Immediate Steps to Take
- Update Zoho ManageEngine Applications Manager to version 14 build 14730 or later to patch the vulnerability.
- Regularly monitor and audit web applications for any signs of unauthorized script injections.
Long-Term Security Practices
- Implement secure coding practices to prevent XSS vulnerabilities in web applications.
- Educate developers and users about the risks of XSS attacks and how to prevent them.
Patching and Updates
Ensure that all software, including Zoho ManageEngine Applications Manager, is regularly updated with the latest security patches to address known vulnerabilities.