CVE-2021-25517 : Vulnerability Insights and Analysis
Learn about CVE-2021-25517, a high-severity vulnerability in Samsung Mobile Devices enabling arbitrary code execution through improper input validation. Find out the impact, affected systems, and mitigation steps.
A vulnerability in Samsung Mobile Devices allows attackers to execute arbitrary code through improper input validation. Learn about the impact, affected systems, and mitigation steps below.
Understanding CVE-2021-25517
This section provides insights into the nature and severity of the vulnerability.
What is CVE-2021-25517?
The CVE-2021-25517 vulnerability involves improper input validation in LDFW before SMR Dec-2021 Release 1, enabling threat actors to execute arbitrary code.
The Impact of CVE-2021-25517
With a CVSS base score of 7.7, this high-severity vulnerability poses risks such as high confidentiality and integrity impacts due to arbitrary code execution. Attack vectors are local, and user interaction is not required, making it more dangerous.
Technical Details of CVE-2021-25517
In this section, we delve into specific technical details of the vulnerability.
Vulnerability Description
The flaw allows attackers to run arbitrary code on Samsung Mobile Devices by exploiting the improper input validation in LDFW before SMR Dec-2021 Release 1.
Affected Systems and Versions
Samsung Q(10.0) and R(11.0) devices with selected Exynos chipsets are affected by this vulnerability if not patched before SMR Dec-2021 Release 1.
Exploitation Mechanism
Attackers can exploit this vulnerability locally with low privileges required, affecting confidentiality and integrity with a changed scope.
Mitigation and Prevention
Discover the immediate steps and best practices to mitigate and prevent exploitation of CVE-2021-25517.
Immediate Steps to Take
Users should update their Samsung Mobile Devices to SMR Dec-2021 Release 1 or later to patch the vulnerability and prevent arbitrary code execution.
Long-Term Security Practices
Implement regular security updates and patches to safeguard against similar vulnerabilities in the future. Additionally, utilize security best practices to enhance overall device security.
Patching and Updates
Stay informed about security updates from Samsung Mobile to address vulnerabilities promptly and ensure continued protection.