How severe is CVE-2021-1120?

CVE-2021-1120 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-1120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1120?

CVE-2021-1120 affects Nvidia Virtual Gpu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-1120?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-1120 published?

CVE-2021-1120 was published on 2021-10-29 and last updated on 2026-06-17.

CVE-2021-1120

CVE-2021-1120 is a high-severity vulnerability in Nvidia Virtual Gpu with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-170.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 4.6
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-170
Affected product: Nvidia Virtual Gpu
Published: 2021-10-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-1120?: 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.
How severe is CVE-2021-1120?: CVE-2021-1120 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-1120 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1120?: CVE-2021-1120 affects Nvidia Virtual Gpu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-1120?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-1120 published?: CVE-2021-1120 was published on 2021-10-29 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5230

Affected products (1)

cpe:2.3:a:nvidia:virtual_gpu:*:*:*:*:*:*:*:*

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