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CVE-2021-237589.8/CRITICALEPSS 94.0%CISA KEV
2021-12-03

AjaxPro.2 Deserialization Remote Code Execution (RCE) Vulnerability Analysis and Mitigation Guide (CVE-2021-23758)

[Affected Scope] All versions of the ajaxpro.2 (Ajax.NET Professional) package

[Impact] Unauthenticated remote attackers can exploit the deserialization of untrusted data to instantiate arbitrary .NET classes, leading to Remote Code Execution (RCE)

[Mitigation] Apply the official security patch from the upstream repository, restrict unused AjaxPro handlers, or deploy WAF rules