CVE-2021-25421 Explained : Impact and Mitigation

A vulnerability has been identified in Galaxy Watch3 PlugIn application that could allow an attacker with log permissions to expose the Wi-Fi password connected to the user's smartphone. Here's everything you need to know about CVE-2021-25421.

Understanding CVE-2021-25421

This section provides a detailed insight into the description, impact, affected systems, and mitigation strategies related to CVE-2021-25421.

What is CVE-2021-25421?

The vulnerability in Galaxy Watch3 PlugIn prior to version 2.2.09.21033151 results in improper log management, enabling an attacker to leak the Wi-Fi password associated with the user's smartphone.

The Impact of CVE-2021-25421

Exploiting this vulnerability can lead to unauthorized access to the user's Wi-Fi network through the leaked password, compromising the security and privacy of the user's data.

Technical Details of CVE-2021-25421

Get a comprehensive understanding of the vulnerability, affected systems, and the exploitation mechanism in this section.

Vulnerability Description

The vulnerability stems from the improper log management in Galaxy Watch3 PlugIn, allowing the leakage of the Wi-Fi password within the log by an attacker with log permissions.

Affected Systems and Versions

The issue affects Samsung Mobile's Galaxy Watch3 PlugIn version less than 2.2.09.21033151, leaving users of this particular version vulnerable to the exploit.

Exploitation Mechanism

Attackers with log permissions can exploit the vulnerability to retrieve the Wi-Fi password linked to the user's smartphone, posing a risk of unauthorized network access.

Mitigation and Prevention

Discover the immediate steps and long-term security practices to protect your devices and networks from CVE-2021-25421.

Immediate Steps to Take

Users are advised to update Galaxy Watch3 PlugIn to version 2.2.09.21033151 or newer to mitigate the vulnerability. Additionally, avoid connecting to unsecured Wi-Fi networks to prevent unauthorized access.

Long-Term Security Practices

Ensure regular security updates for all applications and devices, use strong and unique passwords for Wi-Fi networks, and employ network encryption to safeguard sensitive information.

Patching and Updates

Stay informed about security advisories and patches released by Samsung Mobile. Regularly check for updates and apply them promptly to address known vulnerabilities in the software.