01 Record

CVE-2021-1117

Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where an attacker through specific configuration and with local unprivileged system access may cause

MediumPUBLISHEDCNA: nvidia

CNA base score4.7 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

View raw JSON

02 Description

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.19% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 8.2% of scored records. A rank, not a probability.
NVD base score: 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2021-10-27 20:35Z5 YR AGO

Last updated

2024-08-03 15:55Z2 YR AGO

Reserved

2020-11-12

Assigning CNA

nvidia

Record state

PUBLISHED

Severity

Medium (CVSS 4.7)

CNA CVSS vector

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

Weaknesses

CWE-129Improper Validation of Array IndexVariant

Data version

5.1

Document digest

bcb310414701504372eed19a0a3588d2653c5288bceb365f113e032687cb2873

05 Affected products

VendorProductVersionsPlatforms

NVIDIANVIDIA GPU Display DriverAll GPU Driver versions—

06 References

nvidia.custhelp.comhttps://nvidia.custhelp.com/app/answers/detail/a_id/5230x_refsource_CONFIRM