CVE-2020-9022 : Vulnerability Insights and Analysis

An issue was discovered on Xirrus XR520, XR620, XR2436, and XH2-120 devices where the cgi-bin/ViewPage.cgi user parameter allows XSS.

Understanding CVE-2020-9022

This CVE identifies a cross-site scripting (XSS) vulnerability on specific Xirrus devices.

What is CVE-2020-9022?

CVE-2020-9022 is a security vulnerability found in Xirrus XR520, XR620, XR2436, and XH2-120 devices, enabling XSS attacks through the user parameter in cgi-bin/ViewPage.cgi.

The Impact of CVE-2020-9022

This vulnerability could allow attackers to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-9022

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The flaw exists in the handling of the user parameter in the cgi-bin/ViewPage.cgi script, enabling attackers to inject and execute arbitrary scripts.

Affected Systems and Versions

Xirrus XR520
Xirrus XR620
Xirrus XR2436
Xirrus XH2-120

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the user parameter of the cgi-bin/ViewPage.cgi script, which are then executed in the context of the user's browser.

Mitigation and Prevention

Protecting systems from CVE-2020-9022 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the cgi-bin/ViewPage.cgi script if not essential for device functionality.
Implement input validation to sanitize user inputs and prevent script injection.
Regularly monitor and audit web traffic for suspicious activities.

Long-Term Security Practices

Keep systems and devices updated with the latest security patches and firmware releases.
Educate users and administrators about the risks of XSS attacks and best practices for secure web development.

Patching and Updates

Check for security advisories from Xirrus regarding CVE-2020-9022.
Apply patches or updates provided by the vendor to address the XSS vulnerability.