gsd-2021-38634
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Microsoft Windows Update Client Elevation of Privilege Vulnerability
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-38634",
"description": "Microsoft Windows Update Client Elevation of Privilege Vulnerability",
"id": "GSD-2021-38634"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-38634"
],
"details": "Microsoft Windows Update Client Elevation of Privilege Vulnerability",
"id": "GSD-2021-38634",
"modified": "2023-12-13T01:23:17.471835Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secure@microsoft.com",
"ID": "CVE-2021-38634",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Windows 10 Version 1809",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.17763.2183"
}
]
}
},
{
"product_name": "Windows Server 2019",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.17763.2183"
}
]
}
},
{
"product_name": "Windows Server 2019 (Server Core installation)",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.17763.2183"
}
]
}
},
{
"product_name": "Windows 10 Version 1909",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.18363.1801"
}
]
}
},
{
"product_name": "Windows 10 Version 21H1",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.19043.1237"
}
]
}
},
{
"product_name": "Windows Server 2022",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.20348.230"
}
]
}
},
{
"product_name": "Windows 10 Version 2004",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.19041.1237"
}
]
}
},
{
"product_name": "Windows Server version 2004",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.19041.1237"
}
]
}
},
{
"product_name": "Windows 10 Version 20H2",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.19042.1237"
}
]
}
},
{
"product_name": "Windows Server version 20H2",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.19042.1237"
}
]
}
},
{
"product_name": "Windows 10 Version 1507",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.10240.19060"
}
]
}
},
{
"product_name": "Windows 10 Version 1607",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.14393.4651"
}
]
}
},
{
"product_name": "Windows Server 2016",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.14393.4651"
}
]
}
},
{
"product_name": "Windows Server 2016 (Server Core installation)",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.14393.4651"
}
]
}
}
]
},
"vendor_name": "Microsoft"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Microsoft Windows Update Client Elevation of Privilege Vulnerability"
}
]
},
"impact": {
"cvss": [
{
"baseScore": 7.1,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Elevation of Privilege"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38634",
"refsource": "MISC",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38634"
},
{
"name": "https://www.zerodayinitiative.com/advisories/ZDI-21-1075/",
"refsource": "MISC",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1075/"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*",
"matchCriteriaId": "21540673-614A-4D40-8BD7-3F07723803B0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*",
"matchCriteriaId": "9E2C378B-1507-4C81-82F6-9F599616845A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*",
"matchCriteriaId": "FAE4278F-71A7-43E9-8F79-1CBFAE71D730",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*",
"matchCriteriaId": "E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*",
"matchCriteriaId": "6B8F3DD2-A145-4AF1-8545-CC42892DA3D1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*",
"matchCriteriaId": "E9273B95-20ED-4547-B0A8-95AD15B30372",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*",
"matchCriteriaId": "AAE74AF3-C559-4645-A6C0-25C3D647AAC8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*",
"matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*",
"matchCriteriaId": "4A190388-AA82-4504-9D5A-624F23268C9F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*",
"matchCriteriaId": "0B60D940-80C7-49F0-8F4E-3F99AC15FA82",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*",
"matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*",
"matchCriteriaId": "821614DD-37DD-44E2-A8A4-FE8D23A33C3C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Microsoft Windows Update Client Elevation of Privilege Vulnerability"
},
{
"lang": "es",
"value": "Una Vulnerabilidad de Elevaci\u00f3n de Privilegios en Microsoft Windows Update Client"
}
],
"id": "CVE-2021-38634",
"lastModified": "2023-12-28T20:15:59.970",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.2,
"source": "secure@microsoft.com",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
},
"published": "2021-09-15T12:15:14.547",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38634"
},
{
"source": "secure@microsoft.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1075/"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-269"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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- 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.