CVE-2021-1117: nvidia gpu_display_driver Improper Validation of Array Index
CVSS: 5.5v3.1MediumModified
Published 27-10-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-1117 is a medium (CVSS 5.5) Improper Validation of Array Index vulnerability in nvidia gpu_display_driver. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.1% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-10-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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 improper input validation, which may lead to denial of service.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSources2 sources · 4.7–5.5
- CVE.orgCNA4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
Low 1.9Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
0.00 pp
From 0.19% on 18-09-2026
18-09-202618-10-2026
EPSS score0.19%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Nvidia2 products
- gpu_display_driver≥ 390, < 392.68 | ≥ 460, < 463.15 | ≥ 470, < 472.39 | ≥ 495, < 496.49
- nvidia gpu display driverAll GPU Driver versions
1 vendor · 2 products