Vulnerability-Lookup

GHSA-WRFR-265X-GM85

Vulnerability from github – Published: 2026-03-24 21:31 – Updated: 2026-03-24 21:31

Details

NVIDIA B300 MCU contains a vulnerability in the CX8 MCU that could allow a malicious actor to modify unsupported registries, causing a bad state. A successful exploit of this vulnerability might lead to denial of service and data tampering.

Severity ?

5.9 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-33242"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1234"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-24T21:16:24Z",
    "severity": "MODERATE"
  },
  "details": "NVIDIA B300 MCU contains a vulnerability in the CX8 MCU that could allow a malicious actor to modify unsupported registries, causing a bad state. A successful exploit of this vulnerability might lead to denial of service and data tampering.",
  "id": "GHSA-wrfr-265x-gm85",
  "modified": "2026-03-24T21:31:24Z",
  "published": "2026-03-24T21:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-33242"
    },
    {
      "type": "WEB",
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5768"
    },
    {
      "type": "WEB",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-33242"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-33242 (GCVE-0-2025-33242)

Vulnerability from cvelistv5 – Published: 2026-03-24 20:22 – Updated: 2026-03-24 20:55

Summary

Severity ?

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H

CWE

CWE-1234 - Hardware Internal or Debug Modes Allow Override of Locks

Assigner

nvidia

References

URL

Tags

	https://nvd.nist.gov/vuln/detail/CVE-2025-33242
	https://www.cve.org/CVERecord?id=CVE-2025-33242
	https://nvidia.custhelp.com/app/answers/detail/a_…

Impacted products

	Vendor	Product	Version
	NVIDIA	HGX and DGX B300	Affected: All versions prior to and including 1.0

Show details on NVD website

JSON

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        "metrics": [
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                "id": "CVE-2025-33242",
                "options": [
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                  },
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                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-24T20:51:29.084680Z",
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        },
        "title": "CISA ADP Vulnrichment"
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    ],
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          ],
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          "versions": [
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-WRFR-265X-GM85

CVE-2025-33242 (GCVE-0-2025-33242)

Tags

Sightings

Nomenclature