gsd-2020-16946
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka 'Microsoft Office SharePoint XSS Vulnerability'. This CVE ID is unique from CVE-2020-16945.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-16946",
"description": "A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka \u0027Microsoft Office SharePoint XSS Vulnerability\u0027. This CVE ID is unique from CVE-2020-16945.",
"id": "GSD-2020-16946"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-16946"
],
"details": "A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka \u0027Microsoft Office SharePoint XSS Vulnerability\u0027. This CVE ID is unique from CVE-2020-16945.",
"id": "GSD-2020-16946",
"modified": "2023-12-13T01:21:46.105804Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secure@microsoft.com",
"ID": "CVE-2020-16946",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Microsoft SharePoint Enterprise Server 2016",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "16.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Microsoft SharePoint Server 2019",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "16.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Microsoft SharePoint Foundation 2010 Service Pack 2",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "13.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Microsoft SharePoint Foundation 2013 Service Pack 1",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "15.0.0",
"version_value": "publication"
}
]
}
}
]
},
"vendor_name": "Microsoft"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "\u003cp\u003eA cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected SharePoint server.\u003c/p\u003e\n\u003cp\u003eThe attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current user. The attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim\u0027s identity to take actions on the SharePoint site on behalf of the user, such as change permissions and delete content, and inject malicious content in the browser of the user.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by helping to ensure that SharePoint Server properly sanitizes web requests.\u003c/p\u003e\n"
}
]
},
"impact": {
"cvss": [
{
"baseScore": 8.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/E:P/RL:O/RC:C",
"version": "3.1"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Spoofing"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16946",
"refsource": "MISC",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16946"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_designer:2013:sp1:*:*:*:*:*:*",
"matchCriteriaId": "304608B5-63CB-4F95-9C5B-2D5EFA83BC36",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*",
"matchCriteriaId": "9C082CC4-6128-475D-BC19-B239E348FDB2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_foundation:2010:sp2:*:*:*:*:*:*",
"matchCriteriaId": "81443CAD-F47E-4FD1-8E0E-8D646C90E4E3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*",
"matchCriteriaId": "6122D014-5BF1-4AF4-8B4D-80205ED7785E",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "\u003cp\u003eA cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected SharePoint server.\u003c/p\u003e\n\u003cp\u003eThe attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current user. The attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim\u0027s identity to take actions on the SharePoint site on behalf of the user, such as change permissions and delete content, and inject malicious content in the browser of the user.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by helping to ensure that SharePoint Server properly sanitizes web requests.\u003c/p\u003e\n"
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de tipo cross-site-scripting (XSS) cuando Microsoft SharePoint Server no sanea apropiadamente una petici\u00f3n web especialmente dise\u00f1ada para un servidor de SharePoint afectado, tambi\u00e9n se conoce como \"Microsoft Office SharePoint XSS Vulnerability\".\u0026#xa0;Este ID de CVE es diferente de CVE-2020-16945"
}
],
"id": "CVE-2020-16946",
"lastModified": "2023-12-31T20:15:56.673",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 5.8,
"source": "secure@microsoft.com",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
},
"published": "2020-10-16T23:15:16.023",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16946"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"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.
- 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.