CVE-2020-11483 : Security Advisory and Response

NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30 and all DGX-2 with BMC firmware versions prior to 1.06.06, contain a vulnerability in the AMI BMC firmware that includes hard-coded credentials, potentially leading to privilege escalation or information disclosure.

Understanding CVE-2020-11483

This CVE identifies a security issue in NVIDIA DGX servers related to hard-coded credentials in the BMC firmware.

What is CVE-2020-11483?

This CVE pertains to a vulnerability in NVIDIA DGX servers where specific BMC firmware versions have hard-coded credentials, posing risks of privilege escalation and information exposure.

The Impact of CVE-2020-11483

The vulnerability could allow malicious actors to elevate their privileges or access sensitive information stored on affected NVIDIA DGX servers.

Technical Details of CVE-2020-11483

The following technical details outline the specifics of this CVE.

Vulnerability Description

The vulnerability lies in the AMI BMC firmware of NVIDIA DGX servers, where hard-coded credentials are present, creating a security risk.

Affected Systems and Versions

Product: NVIDIA DGX Servers
Vendor: NVIDIA
Affected Versions: All DGX-1 with BMC firmware versions prior to 3.38.30 and all DGX-2 with BMC firmware versions prior to 1.06.06

Exploitation Mechanism

The presence of hard-coded credentials in the BMC firmware could be exploited by attackers to gain unauthorized access or extract sensitive data.

Mitigation and Prevention

Protecting systems from CVE-2020-11483 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update BMC firmware to versions 3.38.30 for DGX-1 and 1.06.06 for DGX-2 to mitigate the vulnerability.
Monitor system logs for any suspicious activities that could indicate exploitation.

Long-Term Security Practices

Implement strong password policies and avoid using default credentials.
Regularly audit and update firmware to address security vulnerabilities.

Patching and Updates

Apply patches and updates provided by NVIDIA to address the hard-coded credentials issue in the BMC firmware.