Browse / CVEs / CVE-2021-23758
CVE-2021-23758· ajax.net professional / ajax.net professional· CWE-502
Ajax.NET Professional Deserialization of Untrusted Data Vulnerability
Exploited in the wild. Listed by CISA on 2026-08-26; known to be used by ransomware.
82.6%likelihood of exploitation, next 30 days
100%of all CVEs are less likely
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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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