CVE-2021-25423 : Security Advisory and Response

A vulnerability labeled as CVE-2021-25423 has been identified in Samsung Mobile Watch Active2 PlugIn software. This vulnerability is related to improper log management that could potentially lead to a security breach by allowing an attacker to access and leak Wi-Fi passwords associated with the user's smartphone.

Understanding CVE-2021-25423

This section provides an overview of the nature and implications of the CVE-2021-25423 vulnerability.

What is CVE-2021-25423?

The vulnerability in Watch Active2 PlugIn (prior to version 2.2.08.21033151) stems from improper log management. It enables an attacker with log permissions to expose the Wi-Fi password connected to the user's smartphone.

The Impact of CVE-2021-25423

Exploitation of this vulnerability could result in a critical confidentiality breach as the attacker gains access to sensitive Wi-Fi passwords through logs.

Technical Details of CVE-2021-25423

In this section, the technical aspects of the CVE-2021-25423 vulnerability are elucidated.

Vulnerability Description

The vulnerability is categorized under CWE-779, specifically denoting the logging of excessive data, which may lead to unauthorized access to sensitive information like Wi-Fi passwords.

Affected Systems and Versions

The affected product is the Watch Active2 PlugIn by Samsung Mobile, with versions lower than 2.2.08.21033151 confirmed to be vulnerable.

Exploitation Mechanism

By exploiting this vulnerability, an attacker with log permissions can easily extract and expose Wi-Fi passwords stored in the user's smartphone.

Mitigation and Prevention

This section presents strategies to mitigate the risks associated with CVE-2021-25423 and prevent potential security breaches.

Immediate Steps to Take

Users are advised to update their Watch Active2 PlugIn software to version 2.2.08.21033151 or higher to patch the vulnerability and prevent unauthorized access to Wi-Fi passwords.

Long-Term Security Practices

Enhancing log management practices, enforcing strict access controls, and conducting regular security audits can help prevent similar vulnerabilities from being exploited in the future.

Patching and Updates

It is crucial for users to stay vigilant about security updates released by Samsung Mobile for the Watch Active2 PlugIn software to ensure that their devices are protected against known vulnerabilities.