How severe is CVE-2023-25528?

CVE-2023-25528 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-25528 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-25528?

CVE-2023-25528 affects Nvidia Dgx H100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-25528?

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-2023-25528 published?

CVE-2023-25528 was published on 2023-09-20 and last updated on 2026-06-17.

CVE-2023-25528

CVE-2023-25528 is a high-severity vulnerability in Nvidia Dgx H100 Firmware with a CVSS 3.x base score of 8.8. 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 8.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Nvidia Dgx H100 Firmware
Published: 2023-09-20
Last modified: 2026-06-17

Description

NVIDIA DGX H100 baseboard management controller (BMC) contains a vulnerability in a web server plugin, where an unauthenticated attacker may cause a stack overflow by sending a specially crafted network packet. A successful exploit of this vulnerability may lead to arbitrary code execution, denial of service, information disclosure, and data tampering.

Frequently asked questions

What is CVE-2023-25528?: NVIDIA DGX H100 baseboard management controller (BMC) contains a vulnerability in a web server plugin, where an unauthenticated attacker may cause a stack overflow by sending a specially crafted network packet. A successful exploit of this vulnerability may lead to arbitrary code execution, denial of service, information disclosure, and data tampering.
How severe is CVE-2023-25528?: CVE-2023-25528 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-25528 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-25528?: CVE-2023-25528 affects Nvidia Dgx H100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-25528?: 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-2023-25528 published?: CVE-2023-25528 was published on 2023-09-20 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5473

Affected products (1)

cpe:2.3:o:nvidia:dgx_h100_firmware:*:*:*:*:bmc:*:*:*

More vulnerabilities in Nvidia Dgx H100 Firmware

CVE-2023-31009 — High (CVSS 8.3): NVIDIA DGX H100 BMC contains a vulnerability in the REST service, where an attacker may cause improper input…
CVE-2023-25533 — High (CVSS 8.3): NVIDIA DGX H100 BMC contains a vulnerability in the web UI, where an attacker may cause improper input validation. A…
CVE-2023-25530 — High (CVSS 8.0): NVIDIA DGX H100 BMC contains a vulnerability in the KVM service, where an attacker may cause improper input validation.…
CVE-2023-25529 — High (CVSS 8.0): NVIDIA DGX H100 BMC and DGX A100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker…
CVE-2023-25527 — High (CVSS 7.8): NVIDIA DGX H100 BMC contains a vulnerability in the host KVM daemon, where an authenticated local attacker may cause…
CVE-2023-25531 — High (CVSS 7.6): NVIDIA DGX H100 BMC contains a vulnerability in IPMI, where an attacker may cause insufficient protection of…

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