CVE-2023-25528

Unauthenticated privilege escalation via web plugin stack overflow

Published Sep 20, 2023 · Updated Sep 24, 2024

Stack overflow in NVIDIA DGX H100 BMC before 23.08.07 allows remote attackers to disclose or alter data via a crafted network packet. NVIDIA identifies the locus as a web server plugin but has not published the affected parser, field, or missing bounds operation. Reachability requires access to the dedicated BMC management network; no authentication is required, and successful exploitation also grants privilege escalation.

CVSS severity8.0
High
EPSS probability0.87%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack overflow in NVIDIA DGX H100 BMC before 23.08.07 allows remote attackers to disclose or alter data via a crafted network packet. NVIDIA identifies the locus as a web server plugin but has not published the affected parser, field, or missing bounds operation. Reachability requires access to the dedicated BMC management network; no authentication is required, and successful exploitation also grants privilege escalation.

The record

CVE
CVE-2023-25528
Published
Sep 20, 2023
Updated
Sep 24, 2024
Vendor
NVIDIA
Product
NVIDIA DGX H100 BMC
Classifications
CWE-208, T1210
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <23.08.07
  2. Affected versionversion=All versions prior to 23.08.07

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

NVIDIA · NVIDIA DGX H100 BMCversion=0 <23.08.07; version=All versions prior to 23.08.07

Published CVSS scores

8.0NVIDIACVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-208Observable Discrepancy
T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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