CVE-2021-30003 : Security Advisory and Response

An issue was discovered on Nokia G-120W-F 3FE46606AGAB91 devices, leading to Stored XSS in the administrative interface via urlfilter.cgi?add url_address.

Understanding CVE-2021-30003

This CVE identifies a Stored Cross-Site Scripting (XSS) vulnerability in Nokia G-120W-F 3FE46606AGAB91 devices.

What is CVE-2021-30003?

CVE-2021-30003 refers to Stored XSS, a type of vulnerability that allows an attacker to inject malicious scripts into a vulnerable application or webpage.

The Impact of CVE-2021-30003

Exploitation of this vulnerability could result in an attacker executing arbitrary scripts in the context of an administrator's session on the affected device, potentially leading to unauthorized actions.

Technical Details of CVE-2021-30003

This section provides more insights into the vulnerability.

Vulnerability Description

The vulnerability exists in the administrative interface of Nokia G-120W-F 3FE46606AGAB91 devices, specifically in the urlfilter.cgi?add url_address function, allowing attackers to store and execute malicious scripts.

Affected Systems and Versions

The issue impacts Nokia G-120W-F 3FE46606AGAB91 devices.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through the urlfilter.cgi?add url_address function in the administrative interface.

Mitigation and Prevention

To secure your systems, consider the following steps.

Immediate Steps to Take

Disable the affected device's administrative interface if not essential.
Regularly monitor for any unauthorized access or suspicious activities.

Long-Term Security Practices

Keep the firmware and software of the affected devices updated.
Implement proper input validation mechanisms to mitigate XSS vulnerabilities.

Patching and Updates

Stay informed about security updates related to Nokia G-120W-F 3FE46606AGAB91 devices and apply patches provided by the vendor.