What is the CVSS score of CVE-2020-1147?

CVE-2020-1147 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 94.2%.

Is there a public PoC exploit available for CVE-2020-1147?

Yes, a public proof-of-concept exploit is available for CVE-2020-1147. Prioritise patching immediately. EPSS: 94.2%.

Is there a patch available for CVE-2020-1147?

Yes, a patch is available for CVE-2020-1147. Update the affected software to the latest version immediately.

Net Core CVE-2020-1147

HIGH

2020-07-14 secure@microsoft.com

RCE Microsoft Net Core Net Framework Sharepoint Enterprise Server Sharepoint Server Visual Studio 2017 Visual Studio 2019

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Jul 14, 2026 - 04:22 CISA

CVE Published

Jul 14, 2020 - 23:15 nvd

HIGH 7.8

DescriptionNVD

AnalysisAI

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,. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

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'. Affected products include: Microsoft .Net Core, Microsoft .Net Framework, Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Server, Microsoft Visual Studio 2017.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2020-1147 vulnerability details – vuln.today

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Net Core CVE-2020-1147

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

More in Net Core

Same technique RCE

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External POC / Exploit Code