CVE-2021-20643 : Security Advisory and Response

A vulnerability has been identified in ELECOM LD-PS/U1 devices, allowing remote attackers to change the administrative password through a crafted request.

Understanding CVE-2021-20643

This section will delve into the details of the CVE-2021-20643 vulnerability.

What is CVE-2021-20643?

The CVE-2021-20643 vulnerability pertains to an improper access control issue in ELECOM LD-PS/U1 devices. Attackers can exploit this flaw remotely to modify the administrative password of the impacted device.

The Impact of CVE-2021-20643

The impact of this vulnerability is severe as it enables unauthorized access to the affected device, compromising its security and potentially leading to further attacks.

Technical Details of CVE-2021-20643

This section will provide technical insights into CVE-2021-20643.

Vulnerability Description

The vulnerability involves an improper access control issue in ELECOM LD-PS/U1 devices that allows threat actors to alter the administrative password using a specially crafted request.

Affected Systems and Versions

The affected product is LD-PS/U1 by ELECOM CO.,LTD., with the specific vulnerable version being LD-PS/U1.

Exploitation Mechanism

Remote attackers can exploit CVE-2021-20643 by sending a specifically designed request to the device, which results in a password change.

Mitigation and Prevention

In this section, we will discuss mitigation strategies and preventive measures for CVE-2021-20643.

Immediate Steps to Take

To address the vulnerability, users should consider changing the administrative password of the device and monitoring for any unauthorized access.

Long-Term Security Practices

Implementing network segmentation, regular security assessments, and maintaining up-to-date cybersecurity practices can enhance overall security posture.

Patching and Updates

Users are advised to apply security patches released by ELECOM CO.,LTD. promptly to mitigate the CVE-2021-20643 vulnerability.