.NET and Visual Studio Denial of Service Vulnerability

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Summary

CVECVE-2023-38180
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-08-08 19:15:10 UTC
Updated2026-08-10 16:18:37 UTC
Description.NET and Visual Studio Denial of Service Vulnerability

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

EPSS: 0.140160000 probability, percentile 0.962660000 (date 2026-08-22)

CISA KEV: Listed on 2023-08-09; due 2023-08-30; ransomware use Unknown

Problem Types: NVD-CWE-noinfo | CWE-400 | Denial of Service | CWE-400 CWE-400 Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

CVSS v3.1 Breakdown

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

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

CISA Known Exploited Vulnerability

VendorMicrosoft
Product.NET Core and Visual Studio
NameMicrosoft .NET Core and Visual Studio Denial-of-Service Vulnerability
Required ActionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Noteshttps://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-38180; https://nvd.nist.gov/vuln/detail/CVE-2023-38180

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft .net All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Microsoft .NET 6.0 affected 6.0.0 6.0.21 custom Not specified
CNA Microsoft .NET 7.0 affected 7.0.0 7.0.10 custom Not specified
CNA Microsoft ASP.NET Core 2.1 affected 2.0 2.1.40 custom Not specified
CNA Microsoft Microsoft Visual Studio 2022 Version 17.2 affected 17.2.0 17.2.18 custom Not specified
CNA Microsoft Microsoft Visual Studio 2022 Version 17.4 affected 17.4.0 17.4.10 custom Not specified
CNA Microsoft Microsoft Visual Studio 2022 Version 17.6 affected 17.6.0 17.6.6 custom Not specified

References

ReferenceSourceLinkTags
[SECURITY] Fedora 37 Update: dotnet7.0-7.0.110-1.fc37 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List
Security Update Guide - Microsoft Security Response Center af854a3a-2127-422b-91ae-364da2661108 msrc.microsoft.com Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
[SECURITY] Fedora 38 Update: dotnet7.0-7.0.110-1.fc38 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Additional Advisory Data

SourceTimeEvent
ADP2023-08-09T00:00:00.000ZCVE-2023-38180 added to CISA KEV

Legacy QID Mappings

  • 160871 Oracle Enterprise Linux Security Update for .net 6.0 (ELSA-2023-4645)
  • 160872 Oracle Enterprise Linux Security Update for .net 6.0 (ELSA-2023-4644)
  • 160873 Oracle Enterprise Linux Security Update for .net 7.0 (ELSA-2023-4642)
  • 160874 Oracle Enterprise Linux Security Update for .net 7.0 (ELSA-2023-4643)
  • 199643 Ubuntu Security Notification for .NET Vulnerabilities (USN-6278-1)
  • 199647 Ubuntu Security Notification for .NET Vulnerabilities (USN-6278-2)
  • 241945 Red Hat Update for .net 6.0 (RHSA-2023:4639)
  • 241947 Red Hat Update for .net 6.0 (RHSA-2023:4640)
  • 241948 Red Hat Update for .net 7.0 security (RHSA-2023:4643)
  • 241949 Red Hat Update for .net 6.0 security (RHSA-2023:4645)
  • 241950 Red Hat Update for rh-dotnet60-dotnet security (RHSA-2023:4641)
  • 241952 Red Hat Update for .net 6.0 security (RHSA-2023:4644)
  • 241953 Red Hat Update for .net 7.0 security (RHSA-2023:4642)
  • 284428 Fedora Security Update for dotnet6.0 (FEDORA-2023-cbc688b8ca)
  • 284429 Fedora Security Update for dotnet6.0 (FEDORA-2023-25112489ab)
  • 503161 Alpine Linux Security Update for dotnet6-build
  • 503165 Alpine Linux Security Update for dotnet6-runtime
  • 503169 Alpine Linux Security Update for dotnet7-build
  • 503170 Alpine Linux Security Update for dotnet7-runtime
  • 506005 Alpine Linux Security Update for dotnet6-build
  • 506013 Alpine Linux Security Update for dotnet6-runtime
  • 506021 Alpine Linux Security Update for dotnet7-build
  • 506026 Alpine Linux Security Update for dotnet7-runtime
  • 92047 Microsoft .NET Security Update for August 2023
  • 92052 Microsoft Visual Studio Security Updates for August 2023
  • 941230 AlmaLinux Security Update for .NET (ALSA-2023:4644)
  • 941231 AlmaLinux Security Update for .NET (ALSA-2023:4642)
  • 941233 AlmaLinux Security Update for .NET (ALSA-2023:4643)
  • 941234 AlmaLinux Security Update for .NET (ALSA-2023:4645)
  • 941420 AlmaLinux Security Update for .NET (ALSA-2023:4645)
  • 961031 Rocky Linux Security Update for .NET (RLSA-2023:4645)
  • 961038 Rocky Linux Security Update for .NET (RLSA-2023:4643)
  • 994793 DotNet (Nuget) Security Update for Microsoft.AspNetCore.App.Runtime.win-arm64 (GHSA-vmch-3w2x-vhgq)

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