CVE-2021-25351 Explained : Impact and Mitigation

A vulnerability in Samsung Account prior to version 10.7.0.7 and 12.1.1.3 could allow physically proximate attackers to log out user accounts on devices without requiring the user password.

Understanding CVE-2021-25351

This section dives deeper into the details of the CVE-2021-25351 vulnerability.

What is CVE-2021-25351?

The vulnerability lies in EmailValidationView in Samsung Account, enabling attackers in close physical proximity to log out user accounts without password authentication.

The Impact of CVE-2021-25351

With a CVSS base score of 3.2, this low-severity vulnerability allows physically nearby attackers to disrupt user accounts without the need for passwords on devices running specific Android versions.

Technical Details of CVE-2021-25351

Explore the technical aspects of CVE-2021-25351 to understand its implications better.

Vulnerability Description

The flaw stems from improper access control in EmailValidationView, exposing devices to unauthorized account logouts.

Affected Systems and Versions

Samsung Account versions prior to 10.7.0.7 and 12.1.1.3 on Android P(9.0) and below, and Android Q(10.0) are impacted.

Exploitation Mechanism

Physically proximate attackers can exploit the vulnerability to forcibly log out user accounts without needing the user password.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-25351 and prevent such vulnerabilities in the future.

Immediate Steps to Take

Users are advised to update Samsung Account to the latest version as soon as possible to mitigate the risk of unauthorized logouts.

Long-Term Security Practices

Implement strong physical device security measures to prevent unauthorized access and account disruptions through physical proximity attacks.

Patching and Updates

Regularly check for security updates and patches from Samsung Mobile to ensure that your device is protected from known vulnerabilities.