CVE-2020-8330 : What You Need to Know

A denial of service vulnerability was reported in the firmware prior to version 1.01 used in Lenovo Printer LJ4010DN that could be triggered by a remote user sending a crafted packet to the device, preventing subsequent print jobs until the printer is rebooted.

Understanding CVE-2020-8330

This CVE involves a denial of service vulnerability in Lenovo Printer LJ4010DN's firmware.

What is CVE-2020-8330?

The CVE-2020-8330 vulnerability is a denial of service issue in the firmware of Lenovo Printer LJ4010DN, allowing a remote attacker to disrupt printing operations.

The Impact of CVE-2020-8330

The vulnerability has a CVSS base score of 5.3, with a medium severity rating. It can be exploited remotely by sending a specially crafted packet, leading to a denial of service condition.

Technical Details of CVE-2020-8330

This section provides technical details of the CVE.

Vulnerability Description

CVE ID: CVE-2020-8330
CVSS Base Score: 5.3 (Medium)
Attack Vector: Network
Attack Complexity: Low
Availability Impact: Low
Privileges Required: None
User Interaction: None

Affected Systems and Versions

Affected Product: Printer LJ4010DN
Vendor: Lenovo
Affected Version: < 1.01 (unspecified)

Exploitation Mechanism

The vulnerability can be exploited by a remote user sending a crafted packet to the device, causing a denial of service that requires a printer reboot to resume normal operation.

Mitigation and Prevention

Protect your system from CVE-2020-8330 with the following steps.

Immediate Steps to Take

Update the Lenovo Printer firmware to version 1.01 or later.
Contact LenovoImage service center at 400 810 1234 for the firmware update.

Long-Term Security Practices

Regularly update firmware and software to patch vulnerabilities.
Implement network security measures to prevent unauthorized access.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.