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CVE-2023-25529

Estado: ModificadaAlta (8.1)—

NVIDIA DGX H100 BMC and DGX A100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause a leak of another user’s session token by observing timing discrepancies between server responses. A successful exploit of this vulnerability may lead to information disclosure, escalation of privileges, and data tampering.

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)

Nvidia — DGX H100 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-25529",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@nvidia.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 1.6
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@nvidia.com",
      "affectedData": [
        {
          "vendor": "NVIDIA",
          "product": "DGX H100 BMC",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to 23.08.07"
            }
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          "defaultStatus": "unaffected"
        },
        {
          "vendor": "NVIDIA",
          "product": "DGX A100 BMC",
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            }
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  ],
  "published": "2023-09-20T01:15:53.497",
  "references": [
    {
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5473",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@nvidia.com"
    },
    {
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5510",
      "source": "psirt@nvidia.com"
    },
    {
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5473",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5510",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@nvidia.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-208"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "NVIDIA DGX H100 BMC and DGX A100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause a leak of another user’s session token by observing timing discrepancies between server responses. A successful exploit of this vulnerability may lead to information disclosure, escalation of privileges, and data tampering."
    },
    {
      "lang": "es",
      "value": "NVIDIA DGX H100 BMC contiene una vulnerabilidad en el daemon KVM del anfitrión, donde un atacante no autenticado puede causar una fuga del token de sesión de otro usuario al observar discrepancias de tiempo entre las respuestas del servidor. Una explotación exitosa de esta vulnerabilidad puede dar lugar a la divulgación de información, la escalada de privilegios y la manipulación de datos."
    }
  ],
  "lastModified": "2026-06-17T05:41:25.707",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "23.08.18"
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  "sourceIdentifier": "psirt@nvidia.com"
}