How severe is CVE-2023-0206?

CVE-2023-0206 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-2023-0206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0206?

CVE-2023-0206 affects Nvidia Dgx A100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0206?

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-2023-0206 published?

CVE-2023-0206 was published on 2023-04-22 and last updated on 2026-06-17.

CVE-2023-0206

CVE-2023-0206 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Nvidia Dgx A100 Firmware
Published: 2023-04-22
Last modified: 2026-06-17

Description

NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the NVME SMM API. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.

Frequently asked questions

What is CVE-2023-0206?: NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the NVME SMM API. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.
How severe is CVE-2023-0206?: CVE-2023-0206 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-2023-0206 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0206?: CVE-2023-0206 affects Nvidia Dgx A100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0206?: 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-2023-0206 published?: CVE-2023-0206 was published on 2023-04-22 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5449

Affected products (1)

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

More vulnerabilities in Nvidia Dgx A100 Firmware

CVE-2023-31030 — Critical (CVSS 9.3): NVIDIA DGX A100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause a…
CVE-2023-31029 — Critical (CVSS 9.3): NVIDIA DGX A100 baseboard management controller (BMC) contains a vulnerability in the host KVM daemon, where an…
CVE-2023-31024 — Critical (CVSS 9.0): NVIDIA DGX A100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause stack…
CVE-2022-42271 — High (CVSS 8.4): NVIDIA BMC contains a vulnerability in IPMI handler, where an authorized attacker can cause a buffer overflow and cause…
CVE-2022-31599 — High (CVSS 8.2): NVIDIA DGX A100 contains a vulnerability in SBIOS in the Ofbd, where a local user with elevated privileges can cause…
CVE-2022-28200 — High (CVSS 8.2): NVIDIA DGX A100 contains a vulnerability in SBIOS in the BiosCfgTool, where a local user with elevated privileges can…

All CVEs affecting Nvidia Dgx A100 Firmware →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-105285 — Critical (CVSS 10.0): A security vulnerability has been detected in Totolink A3002MU 1.0.0-B20230403.1455. This affects an unknown function…
CVE-2026-104610 — Critical (CVSS 10.0): A security vulnerability has been detected in Tenda HG7, HG9 and HG10 300001138_en_xpon. This impacts the function…
CVE-2026-101039 — Critical (CVSS 10.0): A vulnerability was identified in FAST FAC1900R 20190827_2.0.2. Affected by this issue is the function copy_msg_element…
CVE-2026-96257 — Critical (CVSS 10.0): A flaw has been found in Fast FAC1203R Gigabit Edition 2.0.4. Affected by this issue is the function copy_msg_element…
CVE-2026-94089 — Critical (CVSS 10.0): A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file…
CVE-2026-94003 — Critical (CVSS 10.0): A vulnerability has been found in Comfast CF-N1-S 2.6.0.1. Impacted is the function get_css_path_from_uri of the file…

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →