CVE-2021-25514 : Exploit Details and Defense Strategies

An improper intent redirection handling in Tags prior to SMR Dec-2021 Release 1 allows attackers to access sensitive information.

Understanding CVE-2021-25514

This CVE impacts Samsung Mobile Devices due to improper intent redirection handling in Tags prior to SMR Dec-2021 Release 1.

What is CVE-2021-25514?

CVE-2021-25514 highlights a vulnerability in Samsung Mobile Devices that enables attackers to gain unauthorized access to sensitive information by exploiting improper intent redirection handling in Tags before the SMR Dec-2021 Release 1.

The Impact of CVE-2021-25514

The vulnerability poses a low severity risk with a CVSS base score of 3.3. It affects the confidentiality of user data but does not impact system availability or integrity. Attackers can exploit this issue locally, requiring user interaction.

Technical Details of CVE-2021-25514

Below are the technical details:

Vulnerability Description

The vulnerability arises from improper intent redirection handling in Tags on Samsung Mobile Devices before SMR Dec-2021 Release 1, allowing unauthorized access to sensitive data.

Affected Systems and Versions

Samsung Mobile Devices with custom versions Q(10.0) and R(11.0) before the SMR Dec-2021 Release 1 are affected by this security issue.

Exploitation Mechanism

Attackers can exploit this CVE locally, with low complexity, and requiring user interaction to access sensitive information on vulnerable Samsung Mobile Devices.

Mitigation and Prevention

To mitigate the risk posed by CVE-2021-25514, the following steps are recommended:

Immediate Steps to Take

Promptly update Samsung Mobile Devices to at least SMR Dec-2021 Release 1 to address the vulnerability.

Long-Term Security Practices

Regularly apply security updates and patches provided by Samsung Mobile to protect against known vulnerabilities.

Patching and Updates

Stay informed about security advisories from Samsung Mobile and apply patches promptly to maintain a secure device environment.