How severe is CVE-2021-1099?

CVE-2021-1099 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-2021-1099 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1099?

CVE-2021-1099 affects Nvidia Virtual Gpu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-1099?

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-2021-1099 published?

CVE-2021-1099 was published on 2021-07-21 and last updated on 2026-06-17.

CVE-2021-1099

CVE-2021-1099 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 4.6
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Nvidia Virtual Gpu
Published: 2021-07-21
Last modified: 2026-06-17

Description

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin) that could allow an attacker to cause stack-based buffer overflow and put a customized ROP gadget on the stack. Such an attack may lead to information disclosure, data tampering, or denial of service. This affects vGPU version 12.x (prior to 12.3), version 11.x (prior to 11.5) and version 8.x (prior 8.8).

Frequently asked questions

What is CVE-2021-1099?: NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin) that could allow an attacker to cause stack-based buffer overflow and put a customized ROP gadget on the stack. Such an attack may lead to information disclosure, data tampering, or denial of service. This affects vGPU version 12.x (prior to 12.3), version 11.x (prior to 11.5) and version 8.x (prior 8.8).
How severe is CVE-2021-1099?: CVE-2021-1099 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-2021-1099 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1099?: CVE-2021-1099 affects Nvidia Virtual Gpu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-1099?: 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-2021-1099 published?: CVE-2021-1099 was published on 2021-07-21 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5211

Affected products (1)

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

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