CVE-2021-25453 : Security Advisory and Response

This article provides insights into CVE-2021-25453, a vulnerability found in Samsung Mobile Devices affecting certain versions released prior to SMR Sep-2021 Release 1.

Understanding CVE-2021-25453

CVE-2021-25453 is characterized by improper access control in Bluetooth APIs, enabling untrusted applications to obtain Bluetooth information.

What is CVE-2021-25453?

The vulnerability permits unauthorized apps to access Bluetooth data on Samsung Mobile Devices before the SMR Sep-2021 Release 1.

The Impact of CVE-2021-25453

With a CVSS base score of 5.1, this medium-severity vulnerability has a high impact on confidentiality, posing a risk when exploited locally.

Technical Details of CVE-2021-25453

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue arises from improper access control in Bluetooth APIs, enabling untrusted applications to retrieve Bluetooth information.

Affected Systems and Versions

Samsung Mobile Devices with versions O(8.1), P(9.0), Q(10.0), and R(11.0) before the SMR Sep-2021 Release 1 are impacted.

Exploitation Mechanism

The vulnerability allows untrusted apps to access Bluetooth data without proper authorization.

Mitigation and Prevention

Explore the measures to address CVE-2021-25453.

Immediate Steps to Take

Users are advised to update their devices to SMR Sep-2021 Release 1 or later to mitigate the vulnerability.

Long-Term Security Practices

Maintain regular software updates and security patches to protect devices from potential threats.

Patching and Updates

Stay informed about security updates provided by Samsung Mobile to address vulnerabilities and enhance device security.