High
Security advisory
A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-1147
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:30 UTC · Revision 1
Source evidence
A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.
osv:CVE-2020-1147
Complete source record
{
"id": "fc201fe66b3a4d9188c4324cad2d0138f59ff03f9ae57b97eb88a39922d59a41",
"url": "https://osv.dev/vulnerability/CVE-2020-1147",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-1147",
"summary": "A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.",
"evidence": "osv:CVE-2020-1147",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-1147",
"aliases": [
"CVE-2020-1147",
"GHSA-g5vf-38cp-4px9"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/dotnet/core",
"type": "GIT",
"events": [
{
"introduced": "e7dd0cd3ff917f087f7af2163006d7df6827438b"
},
{
"last_affected": "5c0a0489d157ca82fca6f9b73c682f118e8c4a8a"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:microsoft:.net_core:2.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1"
},
{
"last_affected": "2.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:microsoft:.net_core:3.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.1"
},
{
"last_affected": "3.1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.1",
"3.1",
"v3.1.0",
"v3.0.1",
"v2.2.8",
"v2.1.14",
"v3.1.0-preview3",
"v3.1.0-preview2",
"v3.1.0-preview1",
"v3.0.0",
"v3.0.0-rc1",
"v2.2.7",
"v2.1.13",
"v3.0.0-preview9",
"v3.0.0-preview8",
"v3.0.0-preview7",
"v2.2.6",
"v2.1.12",
"v3.0.0-preview6",
"v2.2.5",
"v2.1.11",
"v1.1.13",
"v1.0.16",
"v3.0.0-preview5",
"v3.0.0-preview4",
"v2.2.3",
"v2.1.9",
"v1.1.12",
"v1.0.15",
"v3.0.0-preview3",
"v2.1.8",
"v1.1.11",
"v1.0.14",
"v2.2.2",
"v3.0.0-preview2",
"v2.2.1",
"v2.1.7",
"v3.0.0-preview1",
"v2.2.0",
"v2.1.6",
"v2.2.0-preview3",
"v1.1.10",
"v1.0.13",
"v2.1.5",
"v2.1.4",
"v2.2.0-preview1",
"v2.1.3",
"v2.1.2",
"v2.0.9",
"v1.1.9",
"v1.0.12",
"v2.1.1",
"v2.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-1147.json"
}
}
],
"modified": "2026-10-24T10:30:29.515120716Z",
"provider": "osv",
"references": [
"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1147",
"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147",
"https://www.exploitalert.com/view-details.html?id=35992"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:visual_studio_2017",
"extracted_events": [
{
"range": [
{
"introduced": "15.0"
},
{
"last_affected": "15.9"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:visual_studio_2019",
"extracted_events": [
{
"range": [
{
"introduced": "16.0"
},
{
"last_affected": "16.6"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:.net_framework",
"extracted_events": [
{
"range": [
{
"introduced": "2.0-sp2"
},
{
"last_affected": "2.0-sp2"
},
{
"introduced": "3.0-sp2"
},
{
"last_affected": "3.0-sp2"
},
{
"introduced": "3.5"
},
{
"last_affected": "3.5"
},
{
"introduced": "3.5"
},
{
"last_affected": "3.5"
},
{
"introduced": "4.6.2"
},
{
"last_affected": "4.6.2"
},
{
"introduced": "4.7"
},
{
"last_affected": "4.7"
},
{
"introduced": "4.7.1"
},
{
"last_affected": "4.7.1"
},
{
"introduced": "4.7.2"
},
{
"last_affected": "4.7.2"
},
{
"introduced": "3.5"
},
{
"last_affected": "3.5"
},
{
"introduced": "4.6"
},
{
"last_affected": "4.6"
},
{
"introduced": "4.6.1"
},
{
"last_affected": "4.6.1"
},
{
"introduced": "4.6.2"
},
{
"last_affected": "4.6.2"
},
{
"introduced": "3.5"
},
{
"last_affected": "3.5"
},
{
"introduced": "4.6"
},
{
"last_affected": "4.6"
},
{
"introduced": "4.6.1"
},
{
"last_affected": "4.6.1"
},
{
"introduced": "4.6.2"
},
{
"last_affected": "4.6.2"
},
{
"introduced": "3.5"
},
{
"last_affected": "3.5"
},
{
"introduced": "4.7.1"
},
{
"last_affected": "4.7.1"
},
{
"introduced": "4.7.2"
},
{
"last_affected": "4.7.2"
},
{
"introduced": "3.5"
},
{
"last_affected": "3.5"
},
{
"introduced": "4.7.2"
},
{
"last_affected": "4.7.2"
},
{
"introduced": "3.5"
},
{
"last_affected": "3.5"
},
{
"introduced": "4.8"
},
{
"last_affected": "4.8"
},
{
"introduced": "3.5.1"
},
{
"last_affected": "3.5.1"
},
{
"introduced": "4.5.2"
},
{
"last_affected": "4.5.2"
},
{
"introduced": "4.6"
},
{
"last_affected": "4.6"
},
{
"introduced": "4.6"
},
{
"last_affected": "4.6"
},
{
"introduced": "4.6.1"
},
{
"last_affected": "4.6.1"
},
{
"introduced": "4.6.2"
},
{
"last_affected": "4.6.2"
},
{
"introduced": "4.7"
},
{
"last_affected": "4.7"
},
{
"introduced": "4.7.1"
},
{
"last_affected": "4.7.1"
},
{
"introduced": "4.7.2"
},
{
"last_affected": "4.7.2"
},
{
"introduced": "4.8"
},
{
"last_affected": "4.8"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:sharepoint_enterprise_server",
"extracted_events": [
{
"range": [
{
"introduced": "2013-sp1"
},
{
"last_affected": "2013-sp1"
},
{
"introduced": "2016"
},
{
"last_affected": "2016"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:*",
"cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:sharepoint_server",
"extracted_events": [
{
"range": [
{
"introduced": "2010-sp2"
},
{
"last_affected": "2010-sp2"
},
{
"introduced": "2019"
},
{
"last_affected": "2019"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-1147",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432346,
"published_at": "2020-07-14T23:15:12.057+00:00"
}