CVE-2023-21427 : Vulnerability Insights and Analysis

This CVE record pertains to an improper access control vulnerability in NfcTile prior to SMR Jan-2023 Release 1, enabling an attacker to utilize NFC (Near Field Communication) without user recognition.

Understanding CVE-2023-21427

This section delves into the details and impact of the CVE-2023-21427 vulnerability.

What is CVE-2023-21427?

CVE-2023-21427 is an improper access control vulnerability identified in NfcTile before the SMR Jan-2023 Release 1. This flaw allows malicious actors to leverage NFC functionality without user authorization or knowledge, posing a security risk to Samsung Mobile Devices.

The Impact of CVE-2023-21427

The impact of CVE-2023-21427 includes the potential for unauthorized access and misuse of NFC capabilities on affected Samsung Mobile Devices. This can lead to security breaches, unauthorized data transfer, or other malicious activities.

Technical Details of CVE-2023-21427

In this section, we will explore the technical aspects of the CVE-2023-21427 vulnerability.

Vulnerability Description

The vulnerability is categorized under CWE-284 (Improper Access Control) and is rated with a CVSSv3.1 base score of 5.4, indicating a medium severity level. It arises from inadequate access control mechanisms in NfcTile prior to the SMR Jan-2023 Release 1.

Affected Systems and Versions

The affected systems include Samsung Mobile Devices running versions R(11), S(12), and T(13) before the SMR Jan-2023 Release 1. Users of these devices are susceptible to the vulnerabilities associated with unauthorized NFC usage.

Exploitation Mechanism

The exploitation of CVE-2023-21427 involves leveraging the improper access control issue in NfcTile to bypass user recognition and utilize NFC functionalities without proper authorization, potentially leading to security breaches.

Mitigation and Prevention

Mitigating the risks associated with CVE-2023-21427 is essential to secure Samsung Mobile Devices and prevent potential exploitation.

Immediate Steps to Take

Users are advised to update their devices to the latest SMR Jan-2023 Release 1 or subsequent patches provided by Samsung Mobile. It is crucial to ensure that devices are running the patched versions to mitigate the vulnerability.

Long-Term Security Practices

Practicing good cybersecurity hygiene, such as keeping devices up-to-date with security patches, employing strong access control measures, and staying informed about security updates, can help enhance the overall security posture of Samsung Mobile Devices.

Patching and Updates

Regularly checking for security updates from Samsung Mobile and promptly applying patches to address known vulnerabilities, including CVE-2023-21427, is vital for maintaining the security and integrity of Samsung Mobile Devices.