CVE-2021-25331 Explained : Impact and Mitigation

Samsung Pay Mini application prior to v4.0.14 by Samsung Mobile is affected by improper access control, allowing unauthorized access to balance information over the lockscreen under specific conditions.

Understanding CVE-2021-25331

This CVE relates to the improper access control vulnerability found in Samsung Pay Mini versions below 4.0.14.

What is CVE-2021-25331?

The vulnerability in Samsung Pay Mini allows unauthorized access to balance information over the lockscreen in certain scenarios.

The Impact of CVE-2021-25331

With a Low CVSS base score of 3.2, this vulnerability has a low impact on confidentiality and availability. However, it poses a risk of exposure of sensitive information.

Technical Details of CVE-2021-25331

This section covers the specific details of the vulnerability.

Vulnerability Description

The vulnerability is due to improper access control in Samsung Pay Mini prior to version 4.0.14, leading to unauthorized access to balance information.

Affected Systems and Versions

Samsung Pay Mini versions less than 4.0.14 are affected by this vulnerability, impacting users who have not updated to the latest version.

Exploitation Mechanism

Unauthorized access to balance information is made possible over the lockscreen in specific conditions, exploiting the lack of access controls.

Mitigation and Prevention

To address CVE-2021-25331, users and organizations can take the following steps.

Immediate Steps to Take

Users should update Samsung Pay Mini to version 4.0.14 or above to mitigate the vulnerability and prevent unauthorized access to balance information.

Long-Term Security Practices

Practice good security hygiene by keeping applications updated regularly and maintaining secure access controls to prevent unauthorized access.

Patching and Updates

Stay informed about security patches and updates released by Samsung Mobile for Samsung Pay Mini to address known vulnerabilities promptly.