CVE-2021-25515 : What You Need to Know

An in-depth look at CVE-2021-25515 impacting Samsung Mobile Devices and the vulnerability in SemRewardManager allowing unauthorized access to BSSID.

Understanding CVE-2021-25515

This CVE affects Samsung Mobile Devices due to improper usage of implicit intent in SemRewardManager prior to SMR Dec-2021 Release 1, enabling attackers to access BSSID.

What is CVE-2021-25515?

The vulnerability in SemRewardManager before the SMR Dec-2021 Release 1 update allows threat actors to obtain BSSID unauthorizedly on affected Samsung Mobile Devices.

The Impact of CVE-2021-25515

With a CVSS base score of 4 (Medium), this vulnerability poses a security risk by granting attackers unauthorized access to BSSID, potentially compromising confidentiality.

Technical Details of CVE-2021-25515

Learn more about the vulnerability, affected systems, and how attackers can exploit CVE-2021-25515.

Vulnerability Description

The flaw arises from improper usage of implicit intent in SemRewardManager, enabling attackers to obtain BSSID on vulnerable Samsung Mobile Devices.

Affected Systems and Versions

Samsung Mobile Devices running custom versions P(9.0), Q(10.0), R(11.0) are impacted by this vulnerability prior to SMR Dec-2021 Release 1.

Exploitation Mechanism

Attackers can exploit this vulnerability locally, without requiring any special privileges or user interaction, making it a concerning issue for affected devices.

Mitigation and Prevention

Discover immediate steps and long-term security practices to mitigate the risk posed by CVE-2021-25515.

Immediate Steps to Take

Users of affected Samsung Mobile Devices should apply the SMR Dec-2021 Release 1 update to patch the vulnerability and prevent unauthorized access to BSSID.

Long-Term Security Practices

Maintain good security hygiene by regularly updating your devices and staying informed about security patches and releases.

Patching and Updates

Stay proactive in installing security updates and patches provided by Samsung Mobile to protect your devices from known vulnerabilities.