CVE-2020-15902 : Vulnerability Insights and Analysis

Graph Explorer in Nagios XI before 5.7.2 allows XSS via the link URL option.

Understanding CVE-2020-15902

Graph Explorer in Nagios XI before 5.7.2 is vulnerable to cross-site scripting (XSS) attacks through the link URL option.

What is CVE-2020-15902?

CVE-2020-15902 is a vulnerability in Nagios XI that enables attackers to execute malicious scripts through the Graph Explorer feature.

The Impact of CVE-2020-15902

This vulnerability allows for the injection of malicious scripts, potentially leading to unauthorized access, data theft, and other security risks.

Technical Details of CVE-2020-15902

Graph Explorer in Nagios XI before version 5.7.2 is susceptible to XSS attacks through the link URL parameter.

Vulnerability Description

The issue arises from inadequate input validation in the link URL field, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

Product: Nagios XI
Versions affected: Before 5.7.2

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious link URL that, when clicked, executes unauthorized scripts within the Nagios XI interface.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-15902.

Immediate Steps to Take

Update Nagios XI to version 5.7.2 or later to patch the vulnerability.
Avoid clicking on suspicious links or URLs within Nagios XI.

Long-Term Security Practices

Regularly update and patch all software to prevent known vulnerabilities.
Educate users on identifying and avoiding phishing attempts and malicious links.

Patching and Updates

Ensure timely installation of security patches and updates to protect systems from known vulnerabilities.