ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2023-35391
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-08-08 19:15:09 UTC
Updated2026-08-10 16:18:28 UTC
DescriptionASP.NET Core SignalR and Visual Studio Information Disclosure 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:H/I:N/A:N

Problem Types: NVD-CWE-noinfo | Information Disclosure

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1[email protected]Secondary6.2MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS6.2MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/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
High
Integrity
None
Availability
None

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

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 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

  • 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
  • 994837 DotNet (Nuget) Security Update for Microsoft.AspNetCore.SignalR.Redis (GHSA-j8rm-cm55-qqj6)

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