{
  "GSD": {
    "alias": "CVE-2020-16931",
    "description": "A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka \u0027Microsoft Excel Remote Code Execution Vulnerability\u0027. This CVE ID is unique from CVE-2020-16929, CVE-2020-16930, CVE-2020-16932.",
    "id": "GSD-2020-16931"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-16931"
      ],
      "details": "A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka \u0027Microsoft Excel Remote Code Execution Vulnerability\u0027. This CVE ID is unique from CVE-2020-16929, CVE-2020-16930, CVE-2020-16932.",
      "id": "GSD-2020-16931",
      "modified": "2023-12-13T01:21:45.961337Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "secure@microsoft.com",
        "ID": "CVE-2020-16931",
        "STATE": "PUBLIC"
      },
      "affects": {
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            {
              "product": {
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                  {
                    "product_name": "Microsoft Office 2019",
                    "version": {
                      "version_data": [
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                          "version_affected": "\u003c",
                          "version_name": "19.0.0",
                          "version_value": "https://aka.ms/OfficeSecurityReleases"
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                  },
                  {
                    "product_name": "Microsoft Office Online Server",
                    "version": {
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                          "version_affected": "\u003c",
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                  },
                  {
                    "product_name": "Microsoft 365 Apps for Enterprise",
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                          "version_name": "16.0.1",
                          "version_value": "https://aka.ms/OfficeSecurityReleases"
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                      ]
                    }
                  },
                  {
                    "product_name": "Microsoft Excel 2016",
                    "version": {
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                  },
                  {
                    "product_name": "Microsoft Excel 2010 Service Pack 2",
                    "version": {
                      "version_data": [
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                          "version_affected": "\u003c",
                          "version_name": "13.0.0.0",
                          "version_value": "publication"
                        }
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                  },
                  {
                    "product_name": "Microsoft Excel 2013 Service Pack 1",
                    "version": {
                      "version_data": [
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                          "version_affected": "\u003c",
                          "version_name": "15.0.0.0",
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                  },
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                    "product_name": "Microsoft Office Web Apps 2013 Service Pack 1",
                    "version": {
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                          "version_affected": "\u003c",
                          "version_name": "15.0.0.0",
                          "version_value": "publication"
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                ]
              },
              "vendor_name": "Microsoft"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "\u003cp\u003eA remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\u003c/p\u003e\n\u003cp\u003eExploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Excel. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how Microsoft Excel handles objects in memory.\u003c/p\u003e\n"
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Remote Code Execution"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16931",
            "refsource": "MISC",
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16931"
          },
          {
            "name": "https://www.zerodayinitiative.com/advisories/ZDI-20-1255/",
            "refsource": "MISC",
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1255/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
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        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "\u003cp\u003eA remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\u003c/p\u003e\n\u003cp\u003eExploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Excel. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how Microsoft Excel handles objects in memory.\u003c/p\u003e\n"
          },
          {
            "lang": "es",
            "value": "Se presenta una vulnerabilidad de ejecuci\u00f3n de c\u00f3digo remota en el software Microsoft Excel cuando el software presenta un fallo al manejar apropiadamente objetos en memoria, tambi\u00e9n se conoce como \"Microsoft Excel Remote Code Execution Vulnerability\".\u0026#xa0;Este ID de CVE es diferente de CVE-2020-16929, CVE-2020-16930, CVE-2020-16932"
          }
        ],
        "id": "CVE-2020-16931",
        "lastModified": "2023-12-31T20:15:53.877",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 6.8,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "secure@microsoft.com",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Secondary"
            }
          ]
        },
        "published": "2020-10-16T23:15:15.257",
        "references": [
          {
            "source": "secure@microsoft.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16931"
          },
          {
            "source": "secure@microsoft.com",
            "tags": [
              "Tool Signature"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1255/"
          }
        ],
        "sourceIdentifier": "secure@microsoft.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-908"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}