.NET Framework Denial of Service Vulnerability

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Summary

CVECVE-2023-21722
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-02-14 20:15:14 UTC
Updated2026-08-19 17:18:14 UTC
Description.NET Framework Denial of Service Vulnerability

Risk And Classification

Primary CVSS: v3.1 5 MEDIUM from [email protected]

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

Problem Types: CWE-59 | NVD-CWE-noinfo | CWE-59 CWE-59: Improper Link Resolution Before File Access ('Link Following')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
3.1[email protected]Secondary5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
3.1CNACVSS5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft .net Framework 3.5 All All All
Application Microsoft .net Framework 4.7.2 All All All
Operating System Microsoft Windows 10 1607 - All All All
Operating System Microsoft Windows 10 1607 - All All All
Operating System Microsoft Windows 10 1809 - All All All
Operating System Microsoft Windows 10 1809 - All All All
Operating System Microsoft Windows Server 2016 - All All All
Operating System Microsoft Windows Server 2019 - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Microsoft Microsoft .NET Framework 2.0 Service Pack 2 affected 2.0.0 2.0.50727.8966 custom Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2
CNA Microsoft Microsoft .NET Framework 3.0 Service Pack 2 affected 3.0.0 2.0.50727.8966 custom Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2
CNA Microsoft Microsoft .NET Framework 3.5 affected 3.5.0 3.5.50727.8966 custom Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
CNA Microsoft Microsoft .NET Framework 3.5 And 4.6.2 affected 4.7.0 10.0.10240.19747 custom Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems
CNA Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 affected 4.7.0 10.0.04038.03 custom Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows Server 2019, Windows Server 2019 (Server Core installation)
CNA Microsoft Microsoft .NET Framework 3.5 AND 4.8 affected 4.8.0 10.0.04614.06 custom Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 20H2 for 32-bit Systems, Windows 10 Version 20H2 for ARM64-based Systems, Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems, Windows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 22H2 for x64-based Systems, Windows 11 version 21H2 for ARM64-based Systems, Windows 11 version 21H2 for x64-based Systems, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation)
CNA Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 affected 4.8.1 10.0.09139.02 custom Windows 10 Version 20H2 for 32-bit Systems, Windows 10 Version 20H2 for ARM64-based Systems, Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems, Windows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 22H2 for x64-based Systems, Windows 11 version 21H2 for ARM64-based Systems, Windows 11 version 21H2 for x64-based Systems, Windows 11 Version 22H2 for ARM64-based Systems, Windows 11 Version 22H2 for x64-based Systems, Windows Server 2022, Windows Server 2022 (Server Core installation)
CNA Microsoft Microsoft .NET Framework 3.5.1 affected 3.5.0 3.5.50727.8966 custom Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
CNA Microsoft Microsoft .NET Framework 4.6.2 affected 4.7.0 4.7.04038.06 custom Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation), Windows Server 2008 for x64-based Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
CNA Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 affected 4.7.0 4.7.04614.08 custom Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
CNA Microsoft Microsoft .NET Framework 4.8 affected 4.8.0 4.8.4614.08 custom Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)

References

ReferenceSourceLinkTags
Security Update Guide - Microsoft Security Response Center af854a3a-2127-422b-91ae-364da2661108 msrc.microsoft.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 91977 Microsoft .NET Framework Security Update for February 2023

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