« Volver al listado

CVE-2022-42276

Estado: ModificadaAlta (8.2)—

NVIDIA DGX A100 contains a vulnerability in SBIOS in the SmiFlash, where a local user with elevated privileges can read, write and erase flash, which may lead to code execution, escalation of privileges, denial of service, and information disclosure. The scope of impact can extend to other components.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-42276",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-42276",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-07T15:29:26.913584Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@nvidia.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 0.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.2,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 1.5
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@nvidia.com",
      "affectedData": [
        {
          "vendor": "NVIDIA",
          "product": "NVIDIA DGX servers",
          "versions": [
            {
              "status": "affected",
              "version": "All SBIOS firmware versions prior to 1.18"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2023-01-13T02:15:07.847",
  "references": [
    {
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5435",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@nvidia.com"
    },
    {
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5435",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@nvidia.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-288"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "NVIDIA DGX A100 contains a vulnerability in SBIOS in the SmiFlash, where a local user with elevated privileges can read, write and erase flash, which may lead to code execution, escalation of privileges, denial of service, and information disclosure. The scope of impact can extend to other components."
    },
    {
      "lang": "es",
      "value": "NVIDIA DGX A100 contiene una vulnerabilidad en SBIOS en SmiFlash, donde un usuario local con privilegios elevados puede leer, escribir y borrar flash, lo que puede provocar la ejecución de código, escalada de privilegios, denegación de servicio y divulgación de información. El alcance del impacto puede extenderse a otros componentes."
    }
  ],
  "lastModified": "2026-06-17T05:04:38.057",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:nvidia:dgx_a100_firmware:*:*:*:*:sbios:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "186BD1FB-388F-4AB7-AEC1-655093C79F53",
              "versionEndExcluding": "1.18"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:nvidia:dgx_a100:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "8807CB65-5F49-42E8-B5D8-36943418ADB9"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "psirt@nvidia.com"
}