Access Control Bypass Affecting microsoft.aspnetcore.components package, versions [6.0.0,6.0.25)[7.0.0,7.0.14)[8.0.0-rc.2.23480.2,8.0.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.05% (21st percentile)

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  • Snyk IDSNYK-DOTNET-MICROSOFTASPNETCORECOMPONENTS-6060291
  • published15 Nov 2023
  • disclosed14 Nov 2023
  • creditBarry Dorrans

Introduced: 14 Nov 2023

CVE-2023-36558  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade Microsoft.AspNetCore.Components to version 6.0.25, 7.0.14, 8.0.0 or higher.

Overview

Affected versions of this package are vulnerable to Access Control Bypass when the Blazor server forms in ASP.NET Core applications are used. An attacker can bypass validation and trigger unintended actions by exploiting this vulnerability. This is only exploitable if the application is an ASP.NET Core Blazor app. Other application types, including ASP.NET Core apps which do not utilize Blazor, are not affected.

CVSS Scores

version 3.1