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  5. GHSA-74r6-grj9-8rq6

GHSA-74r6-grj9-8rq6: Duplicate Advisory: Remote Code Execution in AjaxNetProfessional

December 16, 2021 (updated February 3, 2026)

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-6r7c-6w96-8pvw. This link is maintained to preserve external references.

Original Description

All versions of package ajaxpro.2 are vulnerable to Deserialization of Untrusted Data due to the possibility of deserialization of arbitrary .NET classes, which can be abused to gain remote code execution.

References

  • github.com/advisories/GHSA-74r6-grj9-8rq6
  • github.com/michaelschwarz/Ajax.NET-Professional
  • github.com/michaelschwarz/Ajax.NET-Professional/commit/b0e63be5f0bb20dfce507cb8a1a9568f6e73de57
  • github.com/michaelschwarz/Ajax.NET-Professional/security/advisories/GHSA-6r7c-6w96-8pvw
  • nvd.nist.gov/vuln/detail/CVE-2021-23758
  • snyk.io/vuln/SNYK-DOTNET-AJAXPRO2-1925971

Code Behaviors & Features

Detect and mitigate GHSA-74r6-grj9-8rq6 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 21.11.29.1

Fixed versions

  • 21.11.29.1

Solution

Upgrade to version 21.11.29.1 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-502: Deserialization of Untrusted Data

Source file

nuget/AjaxNetProfessional/GHSA-74r6-grj9-8rq6.yml

Spotted a mistake? Edit the file on GitLab.

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