CVE-2023-21512 : Vulnerability Insights and Analysis

This CVE, assigned by Samsung Mobile, relates to an improper Knox ID validation logic vulnerability found in the notification framework before the SMR Jun-2023 Release 1. The vulnerability enables local attackers to access work profile notifications without the required access permission.

Understanding CVE-2023-21512

This section will delve into the details and impact of CVE-2023-21512.

What is CVE-2023-21512?

The CVE-2023-21512 vulnerability stems from improper Knox ID validation logic within the notification framework of Samsung Mobile devices. This flaw can be exploited by local attackers to read work profile notifications without the necessary access permissions.

The Impact of CVE-2023-21512

With a CVSS base score of 2.4, categorizing it as a low severity issue, the vulnerability may lead to unauthorized access to sensitive work-related notifications on affected Samsung Mobile devices, potentially compromising user privacy and confidentiality.

Technical Details of CVE-2023-21512

In this section, we will explore the technical aspects of CVE-2023-21512.

Vulnerability Description

The vulnerability arises from a flaw in the notification framework's Knox ID validation logic, allowing local attackers to bypass access controls and view work profile notifications.

Affected Systems and Versions

The vulnerability impacts Samsung Mobile Devices running Android 11, 12, and 13, specifically those versions preceding SMR Jun-2023 Release 1.

Exploitation Mechanism

Attackers with local access to the device can exploit the improper Knox ID validation logic to gain unauthorized access to work profile notifications.

Mitigation and Prevention

To address and prevent the CVE-2023-21512 vulnerability, consider the following mitigation strategies.

Immediate Steps to Take

Samsung Mobile device users should apply the SMR Jun-2023 Release 1 update as soon as it becomes available to patch the vulnerability.
It is advisable to limit physical access to devices to mitigate the risk of exploitation by local attackers.

Long-Term Security Practices

Regularly update your Samsung Mobile device with the latest security patches and software updates to mitigate potential security vulnerabilities.
Implement strong access controls and permissions settings to restrict unauthorized access to sensitive data on the device.

Patching and Updates

Stay informed about security updates and releases from Samsung Mobile to ensure timely installation of patches addressing known vulnerabilities like CVE-2023-21512.
Regularly check for and apply software updates provided by Samsung Mobile to maintain the security of your device.