CVE-2020-1046
.NET Framework Remote Code Execution Vulnerability
Published Aug 17, 2020
CVSS 3.1 · 7.8 High
EPSS 3.8%
KEV · Not listed
Description
A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system.
To exploit the vulnerability, an attacker would need to be able to upload a specially crafted file to a web application.
The security update addresses the vulnerability by correcting how .NET Framework processes input.
To exploit the vulnerability, an attacker would need to be able to upload a specially crafted file to a web application.
The security update addresses the vulnerability by correcting how .NET Framework processes input.
Affected Products
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CVE record
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NVD configurations
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Red Hat packages
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OpenCVE enrichment
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| Microsoft | Microsoft .NET Framework 3.5 | affected |
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| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | affected |
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| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | affected |
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| Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 | affected |
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| Microsoft | Microsoft .NET Framework 3.5.1 | affected |
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Configuration 1 [-]
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Configuration 2 [-]
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Configuration 3 [-]
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Configuration 4 [-]
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No data.
No data available yet.
Remediation
Tracking
Advisories
Metrics
No CVSS v4.0
Attack Vector Local
Attack Complexity Low
Privileges Required None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
User Interaction Required
No CVSS v3.0
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
Exploit prediction score: 3.8% (3.763% probability within 30 days)
Key SSVC decision points have not yet been added.
References
History
Feb 23, 2026 6:15 PM
Description updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system. To exploit the vulnerability, an attacker would need to be able to upload a specially crafted file to a web application. The security update addresses the vulnerability by correcting how .NET Framework processes input. | A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system. To exploit the vulnerability, an attacker would need to be able to upload a specially crafted file to a web application. The security update addresses the vulnerability by correcting how .NET Framework processes input. |
Subscriptions
Weaknesses
