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Ajax.NET Professional Ajax.NET Professional: Ajax.NET Professional Deserialization of Untrusted Data Vulnerability

Info Listed in CISA KEV
CVECVE-2021-23758
First seen2026-08-26 19:15 UTC
Disclosed2026-08-26 00:00 UTC
Last updated2026-08-26 19:15 UTC
Channel statusauto

Summary

Ajax.NET Professional (AjaxPro) contains a deserialization of untrusted data vulnerability that could allow for remote code execution via arbitrary .NET classes. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.

In-depth triage

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

  • Ajax.NET Professional:Ajax.NET Professional

Sources

  • CISA KEV DATABASE

Original Links

Timeline

  1. kev_ingest CISA KEV