What is the CVSS score of CVE-2020-11485?

CVE-2020-11485 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.8%.

Bmc Firmware CVE-2020-11485

HIGH

Cross-Site Request Forgery (CSRF) (CWE-352)

2020-10-29 psirt@nvidia.com

Information Disclosure RCE CSRF Nvidia Bmc Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 29, 2020 - 04:15 nvd

HIGH 8.8

DescriptionNVD

NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30, contains a Cross-Site Request Forgery (CSRF) vulnerability in the AMI BMC firmware in which the web application does not sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request, which can lead to information disclosure or code execution.

AnalysisAI

NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30, contains a Cross-Site Request Forgery (CSRF) vulnerability in the AMI BMC firmware in which the web application does not. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30, contains a Cross-Site Request Forgery (CSRF) vulnerability in the AMI BMC firmware in which the web application does not sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request, which can lead to information disclosure or code execution. Affected products include: Intel Bmc Firmware. Version information: prior to 3.38.30.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.