CVE-2021-42640 : What You Need to Know

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below are vulnerable to an Insecure Direct Object Reference (IDOR) vulnerability that allows an unauthenticated attacker to reassign drivers for any printer.

Understanding CVE-2021-42640

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below are susceptible to an IDOR vulnerability, enabling unauthorized individuals to manipulate printers.

What is CVE-2021-42640?

CVE-2021-42640 highlights a critical security flaw in PrinterLogic Web Stack, empowering attackers to arbitrarily change printer drivers without authentication.

The Impact of CVE-2021-42640

This vulnerability could lead to unauthorized access and alteration of printer configurations, potentially causing disruptions in printing services.

Technical Details of CVE-2021-42640

PrinterLogic Web Stack is affected by a severe IDOR vulnerability, which can be exploited by unauthenticated attackers.

Vulnerability Description

The insecure direct object reference (IDOR) vulnerability in PrinterLogic Web Stack versions 19.1.1.13 SP9 and below permits attackers to maliciously assign drivers for any printer without proper authentication.

Affected Systems and Versions

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below

Exploitation Mechanism

Attackers can exploit this vulnerability to reassign printer drivers without the need for authentication, potentially leading to unauthorized printer control.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2021-42640.

Immediate Steps to Take

Update PrinterLogic Web Stack to a secure version that includes patches for CVE-2021-42640.
Monitor printer configurations for any unauthorized changes.
Implement strong authentication mechanisms for printer management.

Long-Term Security Practices

Regularly conduct security assessments and penetration testing on printer management systems.
Educate users and administrators about printer security best practices.

Patching and Updates

Apply security patches and updates provided by PrinterLogic to remediate CVE-2021-42640 and enhance overall system security.