CVE-2025-33207 - Vulnerability Details - OpenCVE

NVIDIA ConnectX and Bluefield contain a vulnerability in a control register, where a user with VF access could cause improper access control for the register interface by sending a malicious command to the firmware. A successful exploit of this vulnerability might lead to denial of service.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/NVIDIA/product-security/tree/main/2026/5847
https://nvd.nist.gov/vuln/detail/CVE-2025-33207
https://www.cve.org/CVERecord?id=CVE-2025-33207

History

Tue, 29 Sep 2026 14:30:00 +0000

Type	Values Removed	Values Added
Description		NVIDIA ConnectX and Bluefield contain a vulnerability in a control register, where a user with VF access could cause improper access control for the register interface by sending a malicious command to the firmware. A successful exploit of this vulnerability might lead to denial of service.
Weaknesses		CWE-1262
References		https://github.com/NVIDIA/product-security/tree/main/2026/5847 https://nvd.nist.gov/vuln/detail/CVE-2025-33207 https://www.cve.org/CVERecord?id=CVE-2025-33207
Metrics		cvssV3_1 `{'score': 6.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: nvidia

Published: 2026-09-29T14:12:12.949Z

Updated: 2026-09-29T15:39:43.687Z

Reserved: 2025-04-15T18:51:06.122Z

Link: CVE-2025-33207

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-09-29T15:17:12.293

Modified: 2026-09-29T15:17:12.293

Link: CVE-2025-33207

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-1262

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-33207", "assignerOrgId": "9576f279-3576-44b5-a4af-b9a8644b2de6", "state": "PUBLISHED", "assignerShortName": "nvidia", "dateReserved": "2025-04-15T18:51:06.122Z", "datePublished": "2026-09-29T14:12:12.949Z", "dateUpdated": "2026-09-29T15:39:43.687Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9576f279-3576-44b5-a4af-b9a8644b2de6", "shortName": "nvidia", "dateUpdated": "2026-09-29T14:12:12.949Z"}, "problemTypes": [{"descriptions": [{"cweId": "CWE-1262", "description": "CWE-1262 Improper Access Control for Register Interface", "lang": "en", "type": "CWE"}]}], "affected": [{"defaultStatus": "unaffected", "product": "BlueField GA", "platforms": ["BlueField-2"], "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 47.1020"}]}, {"defaultStatus": "unaffected", "product": "BlueField LTS23", "platforms": ["BlueField-2"], "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 39.5124"}]}, {"defaultStatus": "unaffected", "product": "BlueField LTS24", "platforms": ["BlueField-2"], "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 43.4100"}]}, {"defaultStatus": "unaffected", "product": "ConnectX GA", "platforms": ["ConnectX-6 DE, ConnectX-6 DX, ConnectX-6 LX"], "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 47.1020"}]}, {"defaultStatus": "unaffected", "product": "ConnectX LTS23", "platforms": ["ConnectX-6, ConnectX-6 DE, ConnectX-6 DX, ConnectX-6 LX"], "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 39.5124"}]}, {"defaultStatus": "unaffected", "product": "ConnectX LTS24", "platforms": ["ConnectX-6, ConnectX-6 DE, ConnectX-6 DX, ConnectX-6 LX"], "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 43.4100"}]}, {"defaultStatus": "unaffected", "product": "ConnectX-5", "platforms": ["ConnectX-5"], "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 16.35.8008"}]}], "descriptions": [{"lang": "en", "value": "NVIDIA ConnectX and Bluefield contain a vulnerability in a control register, where a user with VF access could cause improper access control for the register interface by sending a malicious command to the firmware. A successful exploit of this vulnerability might lead to denial of service.", "supportingMedia": [{"base64": false, "type": "text/html", "value": "NVIDIA ConnectX and Bluefield contain a vulnerability in a control register, where a user with VF access could cause improper access control for the register interface by sending a malicious command to the firmware. A successful exploit of this vulnerability might lead to denial of service."}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "denial of service"}]}], "references": [{"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-33207"}, {"url": "https://www.cve.org/CVERecord?id=CVE-2025-33207"}, {"url": "https://github.com/NVIDIA/product-security/tree/main/2026/5847"}], "metrics": [{"cvssV3_1": {"attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "baseScore": 6.8, "baseSeverity": "MEDIUM"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "NVIDIA PSIRT"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-33207", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-29T15:11:46.490573Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-29T15:39:43.687Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["BlueField-2"], "product": "BlueField GA", "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 47.1020"}]}, {"defaultStatus": "unaffected", "platforms": ["BlueField-2"], "product": "BlueField LTS23", "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 39.5124"}]}, {"defaultStatus": "unaffected", "platforms": ["BlueField-2"], "product": "BlueField LTS24", "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 43.4100"}]}, {"defaultStatus": "unaffected", "platforms": ["ConnectX-6 DE, ConnectX-6 DX, ConnectX-6 LX"], "product": "ConnectX GA", "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 47.1020"}]}, {"defaultStatus": "unaffected", "platforms": ["ConnectX-6, ConnectX-6 DE, ConnectX-6 DX, ConnectX-6 LX"], "product": "ConnectX LTS23", "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 39.5124"}]}, {"defaultStatus": "unaffected", "platforms": ["ConnectX-6, ConnectX-6 DE, ConnectX-6 DX, ConnectX-6 LX"], "product": "ConnectX LTS24", "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 43.4100"}]}, {"defaultStatus": "unaffected", "platforms": ["ConnectX-5"], "product": "ConnectX-5", "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All versions prior to 16.35.8008"}]}], "source": "psirt@nvidia.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "NVIDIA ConnectX and Bluefield contain a vulnerability in a control register, where a user with VF access could cause improper access control for the register interface by sending a malicious command to the firmware. A successful exploit of this vulnerability might lead to denial of service."}], "id": "CVE-2025-33207", "lastModified": "2026-09-29T15:17:12.293", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 4.0, "source": "psirt@nvidia.com", "type": "Secondary"}]}, "published": "2026-09-29T15:17:12.293", "references": [{"source": "psirt@nvidia.com", "url": "https://github.com/NVIDIA/product-security/tree/main/2026/5847"}, {"source": "psirt@nvidia.com", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-33207"}, {"source": "psirt@nvidia.com", "url": "https://www.cve.org/CVERecord?id=CVE-2025-33207"}], "sourceIdentifier": "psirt@nvidia.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1262"}], "source": "psirt@nvidia.com", "type": "Primary"}]}