CVE-2021-33164 : Exploit Details and Defense Strategies
Learn about CVE-2021-33164, a high severity vulnerability in Intel(R) NUCs BIOS firmware allowing privilege escalation. Find out the impact, affected versions, and mitigation steps.
A detailed overview of CVE-2021-33164 focusing on the vulnerability, impact, technical details, and mitigation steps.
Understanding CVE-2021-33164
In this section, we will delve into the specifics of CVE-2021-33164.
What is CVE-2021-33164?
The CVE-2021-33164 vulnerability involves improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046. This flaw may allow a privileged user to potentially enable escalation of privilege via local access.
The Impact of CVE-2021-33164
The vulnerability poses a significant risk as it can lead to an escalation of privilege for an attacker with local access to the affected Intel(R) NUC devices.
Technical Details of CVE-2021-33164
This section will explore the technical aspects of CVE-2021-33164.
Vulnerability Description
The vulnerability stems from improper access control in the BIOS firmware of certain Intel(R) NUCs, potentially enabling privilege escalation.
Affected Systems and Versions
The vulnerability affects Intel(R) NUCs before version INWHL357.0046, highlighting the critical need for timely mitigation.
Exploitation Mechanism
Attackers with local access to impacted Intel(R) NUC devices can exploit this vulnerability to gain escalated privileges.
Mitigation and Prevention
Discover essential steps to mitigate and prevent exploitation of CVE-2021-33164.
Immediate Steps to Take
Immediate actions include restricting physical access to affected devices and implementing BIOS security best practices.
Long-Term Security Practices
For long-term security, regular BIOS updates and monitoring should be maintained to address emerging threats.
Patching and Updates
Critical BIOS updates beyond version INWHL357.0046 must be applied promptly to safeguard Intel(R) NUCs against this privilege escalation risk.