CVE-2021-33159 : Exploit Details and Defense Strategies
Learn about CVE-2021-33159, an authentication vulnerability in Intel AMT versions before 11.8.93, allowing privileged user escalation. Explore impact, technical details, and mitigation steps.
CVE-2021-33159 is a vulnerability related to improper authentication in the subsystem for Intel(R) AMT versions before 11.8.93, 11.22.93, 11.12.93, 12.0.92, 14.1.67, 15.0.42, and 16.1.25, which may allow a privileged user to potentially enable escalation of privilege via local access.
Understanding CVE-2021-33159
This section provides insights into the nature and impact of CVE-2021-33159.
What is CVE-2021-33159?
CVE-2021-33159 involves improper authentication in the subsystem for Intel(R) AMT before specific versions, enabling a potential escalation of privilege for a privileged user with local access.
The Impact of CVE-2021-33159
The vulnerability poses a high risk, as it could allow an attacker with local access to exploit the flaw and escalate privileges in the Intel(R) AMT subsystem.
Technical Details of CVE-2021-33159
In this section, we delve into the technical aspects of CVE-2021-33159.
Vulnerability Description
The vulnerability arises from improper authentication in the Intel(R) AMT subsystem before versions 11.8.93, 11.22.93, 11.12.93, 12.0.92, 14.1.67, 15.0.42, and 16.1.25, potentially enabling privilege escalation through local access.
Affected Systems and Versions
Intel(R) AMT versions prior to 11.8.93, 11.22.93, 11.12.93, 12.0.92, 14.1.67, 15.0.42, and 16.1.25 are impacted by this vulnerability.
Exploitation Mechanism
A privileged user with local access can exploit this vulnerability to potentially enable escalation of privilege in the Intel(R) AMT subsystem.
Mitigation and Prevention
This section outlines the measures to mitigate and prevent potential exploitation of CVE-2021-33159.
Immediate Steps to Take
Organizations are advised to update affected Intel(R) AMT versions to the patched releases to prevent the escalation of privilege via local access.
Long-Term Security Practices
Implementing proper access controls and regularly monitoring for system vulnerabilities can enhance overall security posture.
Patching and Updates
Regularly applying security patches and updates provided by Intel for Intel(R) AMT can help mitigate the risk of exploitation associated with CVE-2021-33159.