How severe is CVE-2022-42276?

CVE-2022-42276 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-42276 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42276?

CVE-2022-42276 affects Nvidia Dgx A100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42276?

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-2022-42276 published?

CVE-2022-42276 was published on 2023-01-13 and last updated on 2026-06-17.

CVE-2022-42276

CVE-2022-42276 is a high-severity vulnerability in Nvidia Dgx A100 Firmware with a CVSS 3.x base score of 7.5. 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-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Nvidia Dgx A100 Firmware
Published: 2023-01-13
Last modified: 2026-06-17

Description

NVIDIA DGX A100 contains a vulnerability in SBIOS in the SmiFlash, where a local user with elevated privileges can read, write and erase flash, which may lead to code execution, escalation of privileges, denial of service, and information disclosure. The scope of impact can extend to other components.

Frequently asked questions

What is CVE-2022-42276?: NVIDIA DGX A100 contains a vulnerability in SBIOS in the SmiFlash, where a local user with elevated privileges can read, write and erase flash, which may lead to code execution, escalation of privileges, denial of service, and information disclosure. The scope of impact can extend to other components.
How severe is CVE-2022-42276?: CVE-2022-42276 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-42276 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42276?: CVE-2022-42276 affects Nvidia Dgx A100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42276?: 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-2022-42276 published?: CVE-2022-42276 was published on 2023-01-13 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5435

Affected products (1)

cpe:2.3:o:nvidia:dgx_a100_firmware:*:*:*:*:sbios:*:*:*

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