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CVE-2021-26423: .NET Core Elevation of Privilege Vulnerability

October 25, 2022

.NET Core and Visual Studio Denial of Service Vulnerability

References

  • github.com/advisories/GHSA-rh58-r7jh-xhx3
  • github.com/dotnet/announcements/issues/194
  • github.com/dotnet/runtime/security/advisories/GHSA-rh58-r7jh-xhx3
  • nvd.nist.gov/vuln/detail/CVE-2021-26423
  • portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26423

Code Behaviors & Features

Detect and mitigate CVE-2021-26423 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions starting from 5.0.0 before 5.0.9

Fixed versions

  • 5.0.9

Solution

Upgrade to version 5.0.9 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Source file

nuget/Microsoft.NETCore.App.Runtime.Mono.linux-arm/CVE-2021-26423.yml

Spotted a mistake? Edit the file on GitLab.

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