CVE-2021-0187 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2021-0187, discussing the vulnerability in the BIOS firmware of Intel(R) Processors that could lead to an escalation of privilege via local access.

Understanding CVE-2021-0187

CVE-2021-0187 involves improper access control in the BIOS firmware of certain Intel(R) Processors, which may allow a privileged user to exploit the vulnerability and potentially achieve an escalation of privilege through local access.

What is CVE-2021-0187?

CVE-2021-0187 is a security vulnerability identified in the BIOS firmware of Intel(R) Processors. This vulnerability could be exploited by a privileged user to escalate their privileges locally, posing a significant security risk to affected systems.

The Impact of CVE-2021-0187

The impact of CVE-2021-0187 is the potential escalation of privilege for a privileged user through local access. This could lead to unauthorized control over the affected systems and compromise their security and integrity.

Technical Details of CVE-2021-0187

CVE-2021-0187 is categorized by a CVSSv3.1 base score of 3.2, indicating a low severity level. The vulnerability is rated as LOCAL access vector with LOW attack complexity and HIGH privileges required. It has a low impact on integrity and does not affect confidentiality or availability.

Vulnerability Description

The vulnerability in the BIOS firmware of Intel(R) Processors allows a privileged user to potentially enable an escalation of privilege through local access.

Affected Systems and Versions

The affected product is Intel(R) Processors, and the specific versions are indicated as 'See references', denoting that further details can be found in the provided references.

Exploitation Mechanism

The exploitation of CVE-2021-0187 involves leveraging the improper access control in the BIOS firmware of Intel(R) Processors to elevate privileges for a local user.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-0187, immediate steps need to be taken to secure the affected systems and prevent unauthorized privilege escalation.

Immediate Steps to Take

Immediate actions should include applying relevant security patches and updates provided by Intel and following best security practices to reduce the likelihood of exploitation.

Long-Term Security Practices

In the long term, implementing robust security measures, regularly updating firmware, and monitoring for any unusual activity are essential practices to enhance system security.

Patching and Updates

Regularly check for security advisories from Intel, apply recommended patches promptly, and keep systems up to date to address vulnerabilities and maintain a secure computing environment.