CISA Known Exploited Vulnerabilities Directory

Explore every threat in the CISA Known Exploited Vulnerabilities (KEV) catalog, enhanced with plain-English executive analysis, AWS relevance, and technical remediation guidance.

Showing 1–1 of 1 records

CVE Vendor Product Added Due Status
CVE-2021-23758 — Ajax.NET Professional Deserialization of Untrusted Data Vulnerability
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.
Ajax.NET Professional Ajax.NET Professional Aug 26, 2026 Sep 9, 2026