microsoft.aspnetcore.websockets.2.0.1.nupkg: 1 vulnerabilities (highest severity is: 9.2) reachable

[mend-for-jackfan.us.kg]

Vulnerable Library - microsoft.aspnetcore.websockets.2.0.1.nupkg

Path to dependency file: /dvcsharp-core-api.csproj

Path to vulnerable library: /home/wss-scanner/.nuget/packages/system.text.encodings.web/4.4.0/system.text.encodings.web.4.4.0.nupkg

Found in HEAD commit: 169cda0ff1feb6d10abc920cb8a3bc3ba917f822

Vulnerabilities

CVE	Severity	CVSS	Exploit Maturity	EPSS	Dependency	Type	Fixed in (microsoft.aspnetcore.websockets.2.0.1.nupkg version)	Remediation Possible**	Reachability
CVE-2021-26701	Critical	9.2	Unproven	14.7%	system.text.encodings.web.4.4.0.nupkg	Transitive	N/A*	❌	Reachable

*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the "Details" section below to see if there is a version of transitive dependency where vulnerability is fixed.

**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation

Details

CVE-2021-26701

Vulnerable Library - system.text.encodings.web.4.4.0.nupkg

Provides types for encoding and escaping strings for use in JavaScript, HyperText Markup Language (H...

Library home page: https://api.nuget.org/packages/system.text.encodings.web.4.4.0.nupkg

Path to dependency file: /dvcsharp-core-api.csproj

Path to vulnerable library: /home/wss-scanner/.nuget/packages/system.text.encodings.web/4.4.0/system.text.encodings.web.4.4.0.nupkg

Dependency Hierarchy:

• microsoft.aspnetcore.websockets.2.0.1.nupkg (Root Library)
  • microsoft.aspnetcore.http.extensions.2.0.1.nupkg
    • microsoft.aspnetcore.http.abstractions.2.0.1.nupkg
      • ❌ system.text.encodings.web.4.4.0.nupkg (Vulnerable Library)

Found in HEAD commit: 169cda0ff1feb6d10abc920cb8a3bc3ba917f822

Found in base branch: master

Reachability Analysis

This vulnerability is potentially reachable

System.Text.Encodings.Web.TextEncoder (Application)
  -> Microsoft.AspNetCore.Routing.Internal.UriBuildingContext (Extension)
   -> Microsoft.AspNetCore.Routing.Internal.UriBuilderContextPooledObjectPolicy (Extension)
    -> Microsoft.Extensions.DependencyInjection.RoutingServiceCollectionExtensions (Extension)
     -> Microsoft.AspNetCore.WebHost (Extension)
      -> ❌ dvcsharp_core_api.Program (Vulnerable Component)

Vulnerability Details

.NET Core Remote Code Execution Vulnerability

Publish Date: 2021-02-25

URL: CVE-2021-26701

Threat Assessment

Exploit Maturity: Unproven

EPSS: 14.7%

CVSS 4 Score Details (9.2)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: N/A
• Impact Metrics:
  • Confidentiality Impact: N/A
  • Integrity Impact: N/A
  • Availability Impact: N/A

For more information on CVSS4 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2021-02-25

Fix Resolution: System.Text.Encodings.Web - 4.5.1,4.7.2,5.0.1