cve-2021-43256
Vulnerability from cvelistv5
Published
2021-12-15 14:15
Modified
2024-08-04 03:55
Severity ?
EPSS score ?
Summary
Microsoft Excel Remote Code Execution Vulnerability
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secure@microsoft.com | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43256 | Patch, Vendor Advisory |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T03:55:28.380Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43256"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:*:*"
],
"platforms": [
"Unknown"
],
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10381.20001",
"status": "affected",
"version": "https://aka.ms/OfficeSecurityReleases",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*"
],
"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"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*"
],
"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"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems",
"32-bit Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*",
"cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:*"
],
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5254.1000",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*",
"cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x86:*",
"cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x64:*"
],
"platforms": [
"ARM64-based Systems",
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2013 Service Pack 1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "15.0.5407.1000",
"status": "affected",
"version": "15.0.0.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1:*:*:*:*:*:*"
],
"platforms": [
"Unknown"
],
"product": "Microsoft Office Web Apps Server 2013 Service Pack 1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "15.0.5407.1000",
"status": "affected",
"version": "15.0.1",
"versionType": "custom"
}
]
}
],
"datePublic": "2021-12-14T08:00:00+00:00",
"descriptions": [
{
"lang": "en-US",
"value": "Microsoft Excel Remote Code Execution Vulnerability"
}
],
"metrics": [
{
"cvssV3_1": {
"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:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Remote Code Execution",
"lang": "en-US",
"type": "Impact"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-05-29T14:44:32.438Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43256"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2021-43256",
"datePublished": "2021-12-15T14:15:29",
"dateReserved": "2021-11-02T00:00:00",
"dateUpdated": "2024-08-04T03:55:28.380Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-43256\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2021-12-15T15:15:10.730\",\"lastModified\":\"2022-01-01T17:48:53.907\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Microsoft Excel Remote Code Execution Vulnerability\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de Ejecuci\u00f3n de C\u00f3digo Remota en Microsoft Excel\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"secure@microsoft.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":6.8},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*\",\"matchCriteriaId\":\"3259EBFE-AE2D-48B8-BE9A-E22BBDB31378\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*\",\"matchCriteriaId\":\"CD25F492-9272-4836-832C-8439EBE64CCF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x64:*\",\"matchCriteriaId\":\"48B20360-1A85-4A6A-BA03-0B62C97CCB0C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x86:*\",\"matchCriteriaId\":\"E8426C4D-C00D-44C2-B072-9D600C8B9543\"},{\"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:excel_rt:2013:sp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"27745C7E-94A0-4C2A-8318-684CB85F48D2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*\",\"matchCriteriaId\":\"CF5DDD09-902E-4881-98D0-CB896333B4AA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"26A3B226-5D7C-4556-9350-5222DC8EFC2C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x64:*\",\"matchCriteriaId\":\"1AC0C23F-FC55-4DA1-8527-EB4432038FB0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x86:*\",\"matchCriteriaId\":\"A719B461-7869-46D0-9300-D0A348DC26A5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E98AE986-FA31-4301-8025-E8915BA4AC5E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B3C3FC9A-D8E5-493A-A575-C831A9A28815\"}]}]}],\"references\":[{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43256\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
}
}
Loading...
Loading...
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.