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CVE-2021-33150 : What You Need to Know

Learn about CVE-2021-33150, a vulnerability in Intel Trace Hub instances allowing privilege escalation via test or debug logic activation. Find mitigation steps and necessary updates.

Intel(R) Trace Hub instances hardware allows activation of test or debug logic at runtime, potentially enabling escalation of privilege via physical access.

Understanding CVE-2021-33150

This CVE refers to a vulnerability in Intel(R) Trace Hub instances that could be exploited by an unauthenticated user to escalate privileges.

What is CVE-2021-33150?

CVE-2021-33150 involves the activation of test or debug logic in Intel(R) Trace Hub instances, leading to a potential escalation of privilege if exploited.

The Impact of CVE-2021-33150

The impact of this vulnerability is the potential for unauthorized users to escalate their privileges through physical access to affected systems.

Technical Details of CVE-2021-33150

The technical details of CVE-2021-33150 include:

Vulnerability Description

The vulnerability allows the activation of test or debug logic in Intel(R) Trace Hub instances, presenting a risk of privilege escalation via physical access.

Affected Systems and Versions

The affected systems include Intel(R) Trace Hub instances with specific configurations allowing the activation of test or debug logic at runtime.

Exploitation Mechanism

Unauthenticated users can potentially exploit this vulnerability by activating the test or debug logic, leading to an escalation of privilege through physical access.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-33150, consider the following:

Immediate Steps to Take

        Disable test or debug logic activation where not essential.
        Limit physical access to vulnerable systems.

Long-Term Security Practices

        Implement access controls to restrict unauthorized activation of critical functions.
        Regularly update and patch vulnerable systems.

Patching and Updates

Refer to the Intel Security Advisory (Intel-SA-00609) for specific patches and updates to address this vulnerability.

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