FKIE_CVE-2021-42292

Vulnerability from fkie_nvd - Published: 2021-11-10 01:19 - Updated: 2026-08-19 19:23
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Microsoft Excel Security Feature Bypass Vulnerability
References
secure@microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42292Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42292Patch, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42292US Government Resource
Impacted products
Vendor Product Version
microsoft 365_apps -
microsoft excel 2013
microsoft excel 2013
microsoft excel 2016
microsoft excel 2016
microsoft office 2013
microsoft office 2013
microsoft office 2019
microsoft office_2016 -
microsoft office_2016 -
microsoft office_2019 -
microsoft office_2019 -
microsoft office_2021 -
microsoft office_2021 -
microsoft office_2021 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Microsoft 365 Apps for Enterprise",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "https://aka.ms/OfficeSecurityReleases",
              "status": "affected",
              "version": "16.0.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "ARM64-based Systems",
            "x64-based Systems"
          ],
          "product": "Microsoft Excel 2013 Service Pack 1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "15.0.5397.1001",
              "status": "affected",
              "version": "15.0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Microsoft Excel 2016",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.0.5239.1001",
              "status": "affected",
              "version": "16.0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "ARM64-based Systems",
            "x64-based Systems"
          ],
          "product": "Microsoft Office 2013 Service Pack 1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "15.0.5397.1001",
              "status": "affected",
              "version": "15.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Microsoft Office 2016",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.0.5239.1001",
              "status": "affected",
              "version": "16.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Microsoft Office 2019",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "https://aka.ms/OfficeSecurityReleases",
              "status": "affected",
              "version": "19.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Office 2019 for Mac",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.55.21111400",
              "status": "affected",
              "version": "16.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Microsoft Office LTSC 2021",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "https://aka.ms/OfficeSecurityReleases",
              "status": "affected",
              "version": "16.0.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Office LTSC for Mac 2021",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.55.21111400",
              "status": "affected",
              "version": "16.0.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "cisaActionDue": "2021-12-01",
  "cisaExploitAdd": "2021-11-17",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Microsoft Excel Security Feature Bypass",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "40C15EDD-98D4-4D06-BA06-21AE0F33C72D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:-:*:*:*",
              "matchCriteriaId": "BF89FEC4-936E-4226-94F9-2BD0CB0CA09F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*",
              "matchCriteriaId": "3A062169-527E-43DA-8AE0-FD4FBA1B2A9B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:*",
              "matchCriteriaId": "CD88F667-6773-4DB7-B6C3-9C7B769C0808",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*",
              "matchCriteriaId": "B342EF98-B414-44D0-BAFB-FCA24294EECE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office:2013:sp1:*:*:-:*:*:*",
              "matchCriteriaId": "552E1557-D6FA-45DD-9B52-E13ACDBB8A62",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*",
              "matchCriteriaId": "F7DDFFB8-2337-4DD7-8120-56CC8EF134B4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*",
              "matchCriteriaId": "40961B9E-80B6-42E0-A876-58B3CE056E4E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x64:*",
              "matchCriteriaId": "45A9ECE7-F173-47AB-A420-0B6F64A04D21",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x86:*",
              "matchCriteriaId": "BF3B9F15-3077-4BC5-9EC5-7416A9FBDC70",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*",
              "matchCriteriaId": "241CDE2B-ABD0-4EFF-8D73-1766E32FA20F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*",
              "matchCriteriaId": "14D63E3F-A431-4DD8-979F-811E8DAC423D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*",
              "matchCriteriaId": "1D518075-3362-4D15-93B1-0E6C61518D16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*",
              "matchCriteriaId": "1059BEC6-C30B-4F0F-A878-5267A21CBD85",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*",
              "matchCriteriaId": "0DB3EBBF-E0C4-4D5A-8D22-107463AD1DE4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft Excel Security Feature Bypass Vulnerability"
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Omisi\u00f3n de Funcionalidades de Seguridad de Microsoft Excel"
    }
  ],
  "id": "CVE-2021-42292",
  "lastModified": "2026-08-19T19:23:04.123",
  "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": "Secondary"
      },
      {
        "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"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-42292",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-01-03T16:41:16.021878Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2021-11-10T01:19:47.007",
  "references": [
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42292"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42292"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42292"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.