What is CVE-2021-1121?

CVE-2021-1121 is a medium-severity vulnerability in NVIDIA Virtual GPU Software, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2021-10-29.

How severe is CVE-2021-1121?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Resource exhaustion in NVIDIA Virtual GPU Software

CVE-2021-1121

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager kernel driver, where a vGPU can cause resource starvation among other vGPUs hosted on the same GPU, which may lead to denial of service.

Published 2021-10-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (11.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

NVIDIA Virtual GPU Software — versions vGPU version 13.x (prior to 13.1), 12.x (prior to 12.4), version 11.x (prior to 11.6) and version 8.x (prior 8.9).
NVIDIA Virtual GPU

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

nvidia.custhelp.com/app/answers/detail/a_id/5230 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-1121?: CVE-2021-1121 is a medium-severity vulnerability in NVIDIA Virtual GPU Software, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2021-10-29.
How severe is CVE-2021-1121?: Medium severity. CVSS v3 base score is 5.5 out of 10.