What is the CVSS score of CVE-2021-1054?

CVE-2021-1054 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.3%.

Gpu Driver CVE-2021-1054

MEDIUM

Incorrect Authorization (CWE-863)

2021-01-08 psirt@nvidia.com

Denial Of Service Microsoft Nvidia Authentication Bypass Gpu Driver

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jan 08, 2021 - 01:15 nvd

MEDIUM 5.5

DescriptionNVD

NVIDIA GPU Display Driver for Windows, all versions, contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape in which the software does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action, which may lead to denial of service.

AnalysisAI

NVIDIA GPU Display Driver for Windows, all versions, contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape in which the software does not perform or incorrectly. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. NVIDIA GPU Display Driver for Windows, all versions, contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape in which the software does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action, which may lead to denial of service. Affected products include: Nvidia Gpu Driver.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.