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CVE-2023-20581

Estado: AplazadaBaja (2.5)—

Improper access control in the IOMMU may allow a privileged attacker to bypass RMP checks, potentially leading to a loss of guest memory integrity.

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).

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-20581",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-20581",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-02-12T15:03:14.654952Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@amd.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 2.5,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@amd.com",
      "affectedData": [
        {
          "vendor": "AMD",
          "product": "AMD EPYC™ 9004 Processors",
          "versions": [
            {
              "status": "unaffected",
              "version": "GenoaPI 1.0.0.C"
            },
            {
              "status": "unaffected",
              "version": "SEV FW1.55.36"
            }
          ],
          "defaultStatus": "affected"
        },
        {
          "vendor": "AMD",
          "product": "AMD EPYC™ Embedded 9004",
          "versions": [
            {
              "status": "unaffected",
              "version": "EmbGenoaPI-SP5 1.0.0.7"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-02-11T22:15:26.223",
  "references": [
    {
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html",
      "source": "psirt@amd.com"
    },
    {
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html",
      "source": "psirt@amd.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@amd.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper access control in the IOMMU may allow a privileged attacker to bypass RMP checks, potentially leading to a loss of guest memory integrity."
    },
    {
      "lang": "es",
      "value": "Un control de acceso inadecuado en IOMMU puede permitir que un atacante privilegiado evite las comprobaciones de RMP, lo que podría provocar una pérdida de integridad de la memoria del invitado."
    }
  ],
  "lastModified": "2026-06-17T05:30:21.543",
  "sourceIdentifier": "psirt@amd.com"
}