{"id":"CVE-2025-33242","aliases":["EUVD-2025-208971","GHSA-wrfr-265x-gm85"],"status":"published","title":"NVIDIA B300 MCU contains a vulnerability in the CX8 MCU that could allow a malicious actor to...","description":"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":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00316,"percentile":0.24763,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1234"],"published":"2026-03-24T20:22:57Z","modified":"2026-06-17T09:13:17Z","products":[{"vendor":"nvidia","product":"hgx and dgx b300"}],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-33242"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-33242"},{"url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5768"},{"url":"https://github.com/advisories/GHSA-wrfr-265x-gm85"}],"sources":{"cve":[{"id":"CVE-2025-33242","description":"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.","status":"published","published":"2026-03-24T20:22:57.087Z","modified":"2026-03-24T20:55:26.563Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-1234"],"updated_at":"2026-11-02T14:32:52.526476Z"}],"euvd":[{"id":"EUVD-2025-208971","description":"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.","status":"published","published":"2026-03-24T20:22:57Z","modified":"2026-03-24T20:55:26Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T19:25:29.547775Z"}],"ghsa":[{"id":"GHSA-wrfr-265x-gm85","title":"NVIDIA B300 MCU contains a vulnerability in the CX8 MCU that could allow a malicious actor to...","description":"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.","status":"published","published":"2026-03-24T21:31:24Z","modified":"2026-03-24T21:31:35Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-1234"],"updated_at":"2026-11-02T15:06:50.028669Z"}],"nvd":[{"id":"CVE-2025-33242","description":"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.","status":"published","published":"2026-03-24T21:16:24.253Z","modified":"2026-06-17T09:13:17.787Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-1234"],"updated_at":"2026-11-02T14:12:01.641503Z"}]}}