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CVE-2011-1990

Estado: ModificadaAlta (9.3)—

Microsoft Excel 2007 SP2; Excel in Office 2007 SP2; Excel Viewer SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; and Excel Services on Office SharePoint Server 2007 SP2 do not properly validate the sign of an unspecified array index, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Out of Bounds Array Indexing Vulnerability."

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 (5)

Microsoft — ExcelMicrosoft — Excel ViewerMicrosoft — OfficeMicrosoft — Office Compatibility PackMicrosoft — Sharepoint Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2011-1990",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-09-15T12:26:48.977",
  "references": [
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA11-256A.html",
      "tags": [
        "US Government Resource"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11982",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA11-256A.html",
      "tags": [
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11982",
      "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": "Microsoft Excel 2007 SP2; Excel in Office 2007 SP2; Excel Viewer SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; and Excel Services on Office SharePoint Server 2007 SP2 do not properly validate the sign of an unspecified array index, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka \"Excel Out of Bounds Array Indexing Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "Microsoft Excel 2007 Service Pack 2; Excel en Office 2007 SP2, Excel Viewer SP2, Paquete de compatibilidad de Office para Word, Excel y PowerPoint 2007 Service Pack 2, y Servicios de Excel en Office SharePoint Server 2007 SP2 no validan correctamente el signo de un índice no especificado de una matriz, lo que permite ejecutar código de su elección a atacantes remotos a través de una hoja de cálculo debidamente modificada. Es un problema también conocido como \"Vulnerabilidad de indexación de matrices fuera de límites\"."
    }
  ],
  "lastModified": "2026-06-16T23:30:33.577",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:excel:2007:sp2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "273729C3-56BF-454A-8697-473094EA828F"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:excel_viewer:*:sp2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D65CAA23-16D8-4AE7-8BC4-F73B1C5F9C3B"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office:2007:sp2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "08AF794A-435D-4171-9DBB-EB7FAED96DBA"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A4B44889-AEEB-4713-A047-C27B802DB257"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:sharepoint_server:2007:sp2:x32:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "586E6C37-346C-40BA-AC89-2CEB8C44E190"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:sharepoint_server:2007:sp2:x64:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "48EB5C93-55BF-4608-A9DC-EDD8DE15EE44"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}