CVE-2021-1120

Severity: high (CVSS 7.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-29 · updated 2026-06-17
Weakness: CWE-170

Description

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where a string provided by the guest OS may not be properly null terminated. The guest OS or attacker has no ability to push content to the plugin through this vulnerability, which may lead to information disclosure, data tampering, unauthorized code execution, and denial of service.

Affected products

NVIDIA Virtual GPU Software: from 8.0 before 8.9; from 11.0 before 11.6; from 12.0 before 12.4; from 13.0 before 13.1 — fixed in 11.6, 12.4, 13.1, 8.9

How to fix

Upgrade to a fixed version: NVIDIA Virtual GPU Software 11.6, 12.4, 13.1, 8.9. Check the vendor advisory for mitigations.

References

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