CVE-2020-11488 — NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3

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, contains a vulnerability in the AMI BMC firmware in which software does not validate the RSA 1024 public key used to verify the firmware signature,

01What is this vulnerability?

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, contains a vulnerability in the AMI BMC firmware in which software does not validate the RSA 1024 public key used to verify the firmware signature, which may lead to information disclosure or code execution.

02Affected products

Vendor	Product	Versions
NVIDIA	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

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-10-29T03:35:32.000Z
• Last modified: 2024-08-04T11:35:12.447Z

09References

• nvidia.custhelp.com — https://nvidia.custhelp.com/app/answers/detail/a_id/5010