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CVE-2021-34396

Status: ModifiedLow (2.3)—

Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Nvidia — Jetson Linux

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-34396",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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          "baseScore": 3,
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L",
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  "affected": [
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      "affectedData": [
        {
          "vendor": "NVIDIA",
          "product": "NVIDIA Jetson TX2 series, TX2 NX",
          "versions": [
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              "status": "affected",
              "version": "All Jetson Linux versions prior to r32.5.1"
            }
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  "published": "2021-06-22T22:15:09.400",
  "references": [
    {
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5205",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@nvidia.com"
    },
    {
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5205",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
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      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service."
    },
    {
      "lang": "es",
      "value": "El cargador de arranque contiene una vulnerabilidad en la configuración de los permisos de acceso donde el software no autorizado podría sobrescribir el código NVIDIA MB2, lo que podría resultar en una denegación de servicio limitada"
    }
  ],
  "lastModified": "2026-06-17T03:55:46.840",
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    {
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