CVE-2022-21216 Explained : Impact and Mitigation
Learn about CVE-2022-21216 involving access control issues in Intel(R) Atom and Intel Xeon Scalable Processors. Mitigation steps and impact discussed.
A detailed overview of CVE-2022-21216 focusing on the impact, technical details, and mitigation strategies.
Understanding CVE-2022-21216
This section delves into the nature, impact, and implications of CVE-2022-21216.
What is CVE-2022-21216?
CVE-2022-21216 involves insufficient granularity of access control in out-of-band management in some Intel(R) Atom and Intel Xeon Scalable Processors, potentially allowing a privileged user to enable escalation of privilege via adjacent network access.
The Impact of CVE-2022-21216
The vulnerability poses a high severity risk, with a CVSS base score of 7.5 (HIGH). It could result in an escalation of privilege scenario, potentially leading to unauthorized access.
Technical Details of CVE-2022-21216
This section explores the specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from inadequate access control mechanisms in the out-of-band management of certain Intel(R) processors, enabling a privileged user to exploit adjacent network access for privilege escalation.
Affected Systems and Versions
The issue affects Intel(R) Atom and Intel Xeon Scalable Processors. Specific versions impacted can be found in the provided references.
Exploitation Mechanism
The vulnerability can be exploited through adjacent network access, with a high level of privileges required, but low attack complexity.
Mitigation and Prevention
This section outlines steps to mitigate the risks associated with CVE-2022-21216.
Immediate Steps to Take
Ensure restricted network access to vulnerable systems, monitor for any unauthorized activities, and apply security patches as soon as available.
Long-Term Security Practices
Implement robust access control measures, conduct regular security assessments, and stay informed about security advisories from relevant vendors.
Patching and Updates
Regularly check for security updates from Intel, apply patches promptly, and follow best practices for securing out-of-band management interfaces.