gsd-2020-16940
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An elevation of privilege vulnerability exists when the Windows User Profile Service (ProfSvc) improperly handles junction points, aka 'Windows - User Profile Service Elevation of Privilege Vulnerability'.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-16940",
"description": "An elevation of privilege vulnerability exists when the Windows User Profile Service (ProfSvc) improperly handles junction points, aka \u0027Windows - User Profile Service Elevation of Privilege Vulnerability\u0027.",
"id": "GSD-2020-16940"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-16940"
],
"details": "An elevation of privilege vulnerability exists when the Windows User Profile Service (ProfSvc) improperly handles junction points, aka \u0027Windows - User Profile Service Elevation of Privilege Vulnerability\u0027.",
"id": "GSD-2020-16940",
"modified": "2023-12-13T01:21:46.573371Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secure@microsoft.com",
"ID": "CVE-2020-16940",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
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{
"product_name": "Windows 10 Version 1803",
"version": {
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},
{
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},
{
"product_name": "Windows 10 Version 1607",
"version": {
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},
{
"product_name": "Windows Server 2016",
"version": {
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}
]
}
},
{
"product_name": "Windows Server 2016 (Server Core installation)",
"version": {
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"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 7",
"version": {
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"version_name": "6.1.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 7 Service Pack 1",
"version": {
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}
},
{
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"version": {
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}
},
{
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"version": {
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}
},
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"product_name": "Windows Server 2008 Service Pack 2 (Server Core installation)",
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},
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"product_name": "Windows Server 2008 Service Pack 2",
"version": {
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}
},
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"product_name": "Windows Server 2008 R2 Service Pack 1",
"version": {
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},
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"version": {
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},
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},
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},
{
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]
},
"vendor_name": "Microsoft"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "\u003cp\u003eAn elevation of privilege vulnerability exists when the Windows User Profile Service (ProfSvc) improperly handles junction points. An attacker who successfully exploited this vulnerability could delete files and folders in an elevated context.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and delete files or folders of their choosing.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how the Windows User Profile Service handles junction points.\u003c/p\u003e\n"
}
]
},
"impact": {
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{
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/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-2020-16940",
"refsource": "MISC",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940"
},
{
"name": "https://www.zerodayinitiative.com/advisories/ZDI-20-1248/",
"refsource": "MISC",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1248/"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
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"descriptions": [
{
"lang": "en",
"value": "\u003cp\u003eAn elevation of privilege vulnerability exists when the Windows User Profile Service (ProfSvc) improperly handles junction points. An attacker who successfully exploited this vulnerability could delete files and folders in an elevated context.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and delete files or folders of their choosing.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how the Windows User Profile Service handles junction points.\u003c/p\u003e\n"
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de escalada de privilegios cuando Windows User Profile Service (ProfSvc) maneja inapropiadamente puntos de uni\u00f3n, tambi\u00e9n se conoce como \"Windows - User Profile Service Elevation of Privilege Vulnerability\""
}
],
"id": "CVE-2020-16940",
"lastModified": "2023-12-31T20:15:55.603",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.9,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
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"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",
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"source": "secure@microsoft.com",
"type": "Primary"
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{
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"baseScore": 5.5,
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
},
"published": "2020-10-16T23:15:15.710",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940"
},
{
"source": "secure@microsoft.com",
"tags": [
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],
"url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1248/"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-269"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.