CVE-2021-3662 : Vulnerability Insights and Analysis

Certain HP Enterprise LaserJet and PageWide MFPs may be vulnerable to stored cross site scripting (XSS).

Understanding CVE-2021-3662

Certain HP Enterprise LaserJet and PageWide MFPs are affected by a stored cross site scripting (XSS) vulnerability, potentially exposing them to security risks.

What is CVE-2021-3662?

CVE-2021-3662 is a vulnerability that affects HP Enterprise LaserJet MFP, HP Enterprise PageWide MFPs, and HP Digital Sender devices, making them susceptible to stored cross site scripting attacks.

The Impact of CVE-2021-3662

The vulnerability could allow attackers to inject malicious scripts into web pages viewed by users of the affected devices, leading to unauthorized access to sensitive information or the compromise of user accounts.

Technical Details of CVE-2021-3662

This section outlines the specifics of the vulnerability.

Vulnerability Description

The vulnerability in certain HP Enterprise printers allows for the insertion of malicious scripts into web pages, potentially leading to cross site scripting attacks.

Affected Systems and Versions

HP Enterprise LaserJet MFP, HP Enterprise PageWide MFPs, and HP Digital Sender devices are affected by this vulnerability in versions before 4.11.2.1 and 5.3.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into web pages viewed by users of the vulnerable devices, potentially executing unauthorized actions.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-3662, users and administrators should take the following steps.

Immediate Steps to Take

Update the affected HP Enterprise LaserJet and PageWide MFPs and HP Digital Sender devices to versions 4.11.2.1 or newer to address the vulnerability.
Regularly monitor for any suspicious activity or unauthorized access on the affected devices.

Long-Term Security Practices

Implement network segmentation to isolate vulnerable devices from critical systems.
Educate users about the risks of clicking on untrusted links or visiting suspicious websites.

Patching and Updates

Stay informed about security updates and patches released by HP for the affected devices to ensure protection against emerging threats and vulnerabilities.