Vulnerability Intelligence Report
.NET Core & .NET Framework Denial of Service Vulnerability
CVE-2020-1108
A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Core or .NET Framework web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Core or .NET Framework application. The update addresses the vulnerability by correcting how the .NET Core or .NET Framework web application handles web requests.
No Active Exploit Signals
CVSS Base Score
7.5
—
EPSS Probability:11.68%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | .NET 5.0 | 5.0.0 < publication (affected) |
| Microsoft | .NET Core 2.1 | 2.1 < publication (affected) |
| Microsoft | .NET Core 3.1 | 3.1 < publication (affected) |
| Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 | 2.0.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 | 3.0.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 | 3.0.0.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 | 3.5.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 | 3.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 3.5.1 | 3.5.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 4.5.2 | 4.0.0.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 4.6 | 4.0.0.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 | 4.0.0.0 < publication (affected) |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 < publication (affected) |
| Microsoft | Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) | 15.9.0 < publication (affected) |
| Microsoft | Microsoft Visual Studio 2019 version 16.0 | 16.0 < publication (affected) |
| Microsoft | Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) | 16.0 < publication (affected) |
| Microsoft | Microsoft Visual Studio 2019 version 16.5 | 16.0 < publication (affected) |
| Microsoft | PowerShell 7.0 | 7.0.0 < publication (affected) |
| Microsoft | PowerShell Core 6.2 | 6.0 < publication (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
11.684%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2019-11-04T00:00:00 |
| Published | 2020-05-21T22:53:10 |
| Patch Date | 2020-05-12 |
| Last Updated | 2026-08-19T16:34:04 |
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