Updated daily · official sources

Security Radar

Vulnerabilities (CVE) being actively exploited, according to the CISA KEV catalog, with CVSS severity and exploitation probability (EPSS).

35exploited in the last 30 days

12critical (CVSS ≥ 9)

0used in ransomware

1781in the KEV catalog

CVE-2021-23758 Critical · CVSS 9.8 added on 08/26/2026

Ajax.NET Professional Deserialization of Untrusted Data Vulnerability

Ajax.NET Professional · Ajax.NET Professional · CWE-502

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.

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Sources: CISA Known Exploited Vulnerabilities Catalog, NIST National Vulnerability Database and FIRST EPSS. Informational content; always follow the vendor advisory and fix.

This product uses the NVD API but is not endorsed or certified by the NVD.