Name: CVE-2021-23758: Deserialization of Untrusted Data
Creator: Rapid7
Published: 2021-12-03T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-23758, CWE-502, Exploited in the Wild, CISA KEV Exploit, Metasploit Module, CVSS 9.8, EPSS 0.89096, CISA KEV

All versions of package ajaxpro.2 are vulnerable to Deserialization of Untrusted Data due to the possibility of deserialization of arbitrary .NET classes, which can be abused to gain remote code execution.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Ajaxpro2	—	Upgrade AjaxPro.2 to the latest version	Feb 26, 2026	Dec 3, 2021

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CVSS Details

Covered by Rapid7

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