CVE-2021-33118 : Security Advisory and Response
Learn about CVE-2021-33118, an escalation of privilege vulnerability in Intel Serial IO driver for Intel NUC 11 Gen. Find out the impact, affected systems, and mitigation steps.
This article provides details about CVE-2021-33118, focusing on the improper access control vulnerability in Intel(R) Serial IO driver for Intel(R) NUC 11 Gen.
Understanding CVE-2021-33118
CVE-2021-33118 is a vulnerability in the software installer of the Intel(R) Serial IO driver for Intel(R) NUC 11 Gen, potentially leading to an escalation of privilege via local access.
What is CVE-2021-33118?
The CVE-2021-33118 vulnerability involves improper access control in the Intel(R) Serial IO driver installer for Intel(R) NUC 11 Gen before version 30.100.2104.1, allowing authenticated users to exploit and achieve privilege escalation through local access.
The Impact of CVE-2021-33118
This vulnerability could be exploited by an authenticated user to escalate their privileges on the affected system, potentially leading to unauthorized access and control.
Technical Details of CVE-2021-33118
CVE ID: CVE-2021-33118 Affected Product: Intel(R) Serial IO driver for Intel(R) NUC 11 Gen Affected Version: Before version 30.100.2104.1
Vulnerability Description
The vulnerability arises due to improper access control in the software installer, which could be exploited locally by an authenticated user.
Affected Systems and Versions
The vulnerability affects the Intel(R) Serial IO driver for Intel(R) NUC 11 Gen versions prior to 30.100.2104.1.
Exploitation Mechanism
An authenticated user can exploit this vulnerability via local access to potentially enable escalation of privilege on the affected system.
Mitigation and Prevention
To address CVE-2021-33118, users and administrators should take immediate action to secure their systems.
Immediate Steps to Take
Update the Intel(R) Serial IO driver for Intel(R) NUC 11 Gen to version 30.100.2104.1 or later. Perform a security audit to check for any unauthorized changes.
Long-Term Security Practices
Implement regular security updates and patches on all systems and ensure access control mechanisms are properly configured.
Patching and Updates
Stay informed about security advisories from Intel and apply relevant patches promptly to prevent potential exploitation of vulnerabilities.