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CVE-2024-56161

Estado: AplazadaAlta (7.2)—

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Execution PreventionThreat Intelligence ProgramRestrict Registry PermissionsPrivileged Account ManagementOperating System ConfigurationApplication Isolation and Sandboxing

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

AMD — CPU ROM Microcode Patch LoaderAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2024-56161",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-56161",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-02-03T17:43:59.636370Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@amd.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@amd.com",
      "affectedData": [
        {
          "vendor": "AMD",
          "product": "AMD EPYC™ 7001 Series",
          "versions": [
            {
              "status": "unaffected",
              "version": "NaplesPI 1.0.0.P"
            }
          ],
          "packageName": "NaplesPI 1.0.0.P",
          "defaultStatus": "affected"
        },
        {
          "vendor": "AMD",
          "product": "AMD EPYC™ 7002 Series",
          "versions": [
            {
              "status": "unaffected",
              "version": "RomePI 1.0.0.L"
            }
          ],
          "packageName": "RomePI 1.0.0.L",
          "defaultStatus": "affected"
        },
        {
          "vendor": "AMD",
          "product": "AMD EPYC™ 7003 Series",
          "versions": [
            {
              "status": "unaffected",
              "version": "MilanPI 1.0.0.F"
            }
          ],
          "packageName": "MilanPI 1.0.0.F",
          "defaultStatus": "affected"
        },
        {
          "vendor": "AMD",
          "product": "AMD EPYC™ 9004 Series",
          "versions": [
            {
              "status": "unaffected",
              "version": "Genoa 1.0.0.E"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-02-03T18:15:37.280",
  "references": [
    {
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3019.html",
      "source": "psirt@amd.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2025/02/04/1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2025/03/06/2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00024.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7033.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@amd.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP."
    },
    {
      "lang": "es",
      "value": "La verificación de firma incorrecta en el cargador de parches de microcódigo ROM de CPU AMD puede permitir que un atacante con privilegios de administrador local cargue microcódigo de CPU malicioso, lo que resulta en la pérdida de confidencialidad e integridad de un invitado confidencial que se ejecuta bajo AMD SEV-SNP."
    }
  ],
  "lastModified": "2026-06-17T08:11:46.347",
  "sourceIdentifier": "psirt@amd.com"
}