Vendor

Ajax.NET Professional

1 of 1 Ajax.NET Professional CVEs in Patchfirst (100%) are in of vulnerabilities exploited in the wild.

CVEs: 1
In CISA KEV: 1100%
Known ransomware use: 0
Median days to KEV: 1,727; from publication
Latest KEV listing: 26 Aug 2026

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Products

In KEVOther CVEs

ProductKEVCVEs
Ajax.NET Professional In KEV: 1 CVEs: 1

Top ATT&CK techniques

What attackers do with Ajax.NET Professional CVEs

TechniqueCVEs
T1190Exploit Public-Facing Application CVEs: 1
T1059Command and Scripting Interpreter CVEs: 1

Open in ATT&CK Navigator

A layer for MITRE’s ATT&CK Navigator: techniques scored by the highest Patchfirst priority among their CVEs, neutral to red, with the CVE ids in each comment. “Open in Navigator” loads https://patchfirst.co/navigator/vendor/ajax-net-professional.json. Or download it and in Navigator choose Open Existing Layer → Upload from local.

Counts are Ajax.NET Professional CVEs linked to the technique. Each link’s provenance is on the CVE page.

Ajax.NET Professional CVEs

1 CVE, by priority

CVE-2021-23758Ajax.NET Professional Deserialization of Untrusted Data Vulnerability
Ajax.NET Professional · Ajax.NET ProfessionalKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing Application T1059Command and Scripting Interpreter
82.6%Top 0.33%
79.8priority