How severe is CVE-2023-25506?

CVE-2023-25506 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-2023-25506 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-2023-25506?

CVE-2023-25506 affects Nvidia Sbios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-25506?

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-2023-25506 published?

CVE-2023-25506 was published on 2023-04-22 and last updated on 2026-06-17.

CVE-2023-25506

CVE-2023-25506 is a high-severity vulnerability in Nvidia Sbios 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-787.

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-787
Affected product: Nvidia Sbios
Published: 2023-04-22
Last modified: 2026-06-17

Description

NVIDIA DGX-1 contains a vulnerability in Ofbd in AMI SBIOS, where a preconditioned heap can allow a user with elevated privileges to cause an access beyond the end of a buffer, which may lead to code execution, escalation of privileges, denial of service and information disclosure. The scope of the impact of this vulnerability can extend to other components.

Frequently asked questions

What is CVE-2023-25506?: NVIDIA DGX-1 contains a vulnerability in Ofbd in AMI SBIOS, where a preconditioned heap can allow a user with elevated privileges to cause an access beyond the end of a buffer, which may lead to code execution, escalation of privileges, denial of service and information disclosure. The scope of the impact of this vulnerability can extend to other components.
How severe is CVE-2023-25506?: CVE-2023-25506 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-2023-25506 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-2023-25506?: CVE-2023-25506 affects Nvidia Sbios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-25506?: 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-2023-25506 published?: CVE-2023-25506 was published on 2023-04-22 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5458

Affected products (1)

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

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