CVE-2025-33242

{"id": "CVE-2025-33242", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@nvidia.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 0.7}]}, "published": "2026-03-24T21:16:24.253", "references": [{"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-33242", "source": "psirt@nvidia.com"}, {"url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5768", "source": "psirt@nvidia.com"}, {"url": "https://www.cve.org/CVERecord?id=CVE-2025-33242", "source": "psirt@nvidia.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "psirt@nvidia.com", "description": [{"lang": "en", "value": "CWE-1234"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-03-25T15:41:58.280", "sourceIdentifier": "psirt@nvidia.com"}