CVE-2021-25525 : What You Need to Know
Learn about CVE-2021-25525, a vulnerability in Samsung Pay allowing NFC exploitation. Explore the impact, technical details, and mitigation strategies for better security.
This article provides insights into CVE-2021-25525, a vulnerability in Samsung Pay. It explores the impact, technical details, and mitigation strategies associated with this CVE.
Understanding CVE-2021-25525
CVE-2021-25525 is related to an improper check or handling of exception conditions vulnerability in Samsung Pay (US only) prior to version 4.0.65. This vulnerability allows an attacker to utilize NFC without user recognition.
What is CVE-2021-25525?
The vulnerability in Samsung Pay (US only) before version 4.0.65 arises from improper validation of exception conditions, enabling malicious actors to exploit NFC functionality without requiring user authentication.
The Impact of CVE-2021-25525
With a CVSSv3.1 base score of 2 (Low severity), the vulnerability's impact is rated as Low overall. While the attack complexity is Low, the privileges required are High, and user interaction is Required. The confidentiality and integrity impacts are None, with a changed scope and low availability impact.
Technical Details of CVE-2021-25525
Get insights into the technical aspects of CVE-2021-25525 to understand the vulnerability better.
Vulnerability Description
The vulnerability stems from inadequate validation of exception conditions, allowing unauthorized NFC usage in Samsung Pay for versions prior to 4.0.65.
Affected Systems and Versions
Samsung Pay (US only) versions below 4.0.65 are affected by this vulnerability, emphasizing the importance of updating to a secure version promptly.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the NFC functionality without requiring user approval, potentially leading to fraudulent transactions or unauthorized access.
Mitigation and Prevention
Discover essential steps to mitigate the risk posed by CVE-2021-25525 and prevent potential exploitation.
Immediate Steps to Take
Users must update Samsung Pay to version 4.0.65 or above, ensuring that the vulnerability is patched and NFC usage is secure.
Long-Term Security Practices
Maintain a proactive approach to security by regularly updating applications and systems, staying informed about security advisories, and monitoring NFC usage.
Patching and Updates
Stay vigilant about security updates released by Samsung Mobile for Samsung Pay, promptly applying patches to safeguard against potential exploits.