CVE-2021-32015 : What You Need to Know

Nuvoton NPCT75x TPM 1.2 firmware 7.4.0.0 allows a local authenticated malicious user with high privileges to gain unauthorized access to TPM non-volatile memory. Upgrading to firmware version 7.4.0.1 is recommended to mitigate this vulnerability. Although version 7.4.0.1 is not TCG or Common Criteria certified, Nuvoton advises applying the NPCT75x TPM 1.2 firmware update.

Understanding CVE-2021-32015

This section delves into the details of CVE-2021-32015 and its implications.

What is CVE-2021-32015?

CVE-2021-32015 is a security vulnerability in Nuvoton NPCT75x TPM 1.2 firmware 7.4.0.0 that enables a local authenticated malicious user with high privileges to potentially access TPM non-volatile memory.

The Impact of CVE-2021-32015

The vulnerability in Nuvoton NPCT75x TPM 1.2 firmware 7.4.0.0 could lead to unauthorized access to sensitive TPM non-volatile memory, posing a risk to data confidentiality and integrity.

Technical Details of CVE-2021-32015

This section provides technical insights into the vulnerability.

Vulnerability Description

In Nuvoton NPCT75x TPM 1.2 firmware 7.4.0.0, a local authenticated malicious user with high privileges can gain unauthorized access to TPM non-volatile memory.

Affected Systems and Versions

The affected version is Nuvoton NPCT75x TPM 1.2 firmware 7.4.0.0.

Exploitation Mechanism

A local authenticated malicious user with elevated privileges can exploit the vulnerability to access TPM non-volatile memory.

Mitigation and Prevention

Explore the steps to mitigate and prevent the exploitation of CVE-2021-32015.

Immediate Steps to Take

Upgrade to Nuvoton NPCT75x TPM 1.2 firmware version 7.4.0.1 to safeguard against unauthorized access to TPM non-volatile memory.

Long-Term Security Practices

Follow stringent access control measures and security best practices to prevent unauthorized system access.

Patching and Updates

Stay informed about security advisories and apply recommended firmware updates to enhance system security.