KEV Entry

CVE-2020-1147

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2020-1147

2021-11-03 01:00 CET

Timestamps

2021-11-03

2021-11-03

Scope

Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability | Affected: Microsoft / .NET Framework, SharePoint, Visual Studio | Description: Microsoft .NET Framework, Microsoft SharePoint, and Visual Studio contain a remote code execution vulnerability when the software fails to check the source markup of XML file input. Successful exploitation allows an attacker to execute code in the context of the process responsible for deserialization of the XML content. | Required action: Apply updates per vendor instructions. | Due date: 2022-05-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2020-1147

References
  • {'id': 'CVE-2020-1147', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-1147'}

a6abc502-13e5-4681-8a75-b8f1cd16d22b

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-10-02 08:10 CEST

2026-10-02 08:10 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [],
  "date_added": "2021-11-03",
  "due_date": "2022-05-03",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": ".NET Framework, SharePoint, Visual Studio",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability"
}
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