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CVE-2018-8476

Estado: ModificadaCrítica (9.8)—

Existe una vulnerabilidad de ejecución remota de código debido a la forma en la que Windows Deployment Services TFTP Server gestiona los objetos en la memoria. Esto también se conoce como "Windows Deployment Services TFTP Server Remote Code Execution Vulnerability". Esto afecta a Windows Server 2012 R2, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows Server 2008 R2 y Windows 10 Servers.

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 (4)

Microsoft — Windows Server 2008Microsoft — Windows Server 2012Microsoft — Windows Server 2016Microsoft — Windows Server 2019

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2018-8476",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2012 R2",
          "versions": [
            {
              "status": "affected",
              "version": "(Server Core installation)"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2008",
          "versions": [
            {
              "status": "affected",
              "version": "32-bit Systems Service Pack 2"
            },
            {
              "status": "affected",
              "version": "32-bit Systems Service Pack 2 (Server Core installation)"
            },
            {
              "status": "affected",
              "version": "Itanium-Based Systems Service Pack 2"
            },
            {
              "status": "affected",
              "version": "x64-based Systems Service Pack 2"
            },
            {
              "status": "affected",
              "version": "x64-based Systems Service Pack 2 (Server Core installation)"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2012",
          "versions": [
            {
              "status": "affected",
              "version": "(Server Core installation)"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2019",
          "versions": [
            {
              "status": "affected",
              "version": "(Server Core installation)"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2016",
          "versions": [
            {
              "status": "affected",
              "version": "(Server Core installation)"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2008 R2",
          "versions": [
            {
              "status": "affected",
              "version": "Itanium-Based Systems Service Pack 1"
            },
            {
              "status": "affected",
              "version": "x64-based Systems Service Pack 1"
            },
            {
              "status": "affected",
              "version": "x64-based Systems Service Pack 1 (Server Core installation)"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Servers",
          "versions": [
            {
              "status": "affected",
              "version": "version 1803  (Server Core Installation)"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-11-14T01:29:00.613",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/105774",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1042109",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8476",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://research.checkpoint.com/2019/pxe-dust-finding-a-vulnerability-in-windows-servers-deployment-services/",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/105774",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1042109",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8476",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://research.checkpoint.com/2019/pxe-dust-finding-a-vulnerability-in-windows-servers-deployment-services/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A remote code execution vulnerability exists in the way that Windows Deployment Services TFTP Server handles objects in memory, aka \"Windows Deployment Services TFTP Server Remote Code Execution Vulnerability.\" This affects Windows Server 2012 R2, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows Server 2008 R2, Windows 10 Servers."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de ejecución remota de código debido a la forma en la que Windows Deployment Services TFTP Server gestiona los objetos en la memoria. Esto también se conoce como \"Windows Deployment Services TFTP Server Remote Code Execution Vulnerability\". Esto afecta a Windows Server 2012 R2, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows Server 2008 R2 y Windows 10 Servers."
    }
  ],
  "lastModified": "2026-06-17T02:04:57.523",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*",
              "vulnerable": true,
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            },
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              "vulnerable": true,
              "matchCriteriaId": "AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074"
            },
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              "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7"
            },
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              "matchCriteriaId": "CAACE735-003E-4ACB-A82E-C0CF97D7F013"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"
            }
          ],
          "operator": "OR"
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    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}