Vulnerability Details CVE-2021-23758
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.836
EPSS Ranking 99.7%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 7.5
Proposed Action
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.
Ransomware Campaign
Unknown
References
- http://packetstormsecurity.com/files/175677/AjaxPro-Deserialization-Remote-Code-Execution.html
- https://github.com/michaelschwarz/Ajax.NET-Professional/commit/b0e63be5f0bb20dfce507cb8a1a9568f6e73de57
- https://snyk.io/vuln/SNYK-DOTNET-AJAXPRO2-1925971
- http://packetstormsecurity.com/files/175677/AjaxPro-Deserialization-Remote-Code-Execution.html
- https://github.com/michaelschwarz/Ajax.NET-Professional/commit/b0e63be5f0bb20dfce507cb8a1a9568f6e73de57
- https://snyk.io/vuln/SNYK-DOTNET-AJAXPRO2-1925971
- https://blog.talosintelligence.com/uat-10147-chinese-speaking-adversary-integrates-agentic-ai-into-post-compromise-operations/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-23758
Products affected by CVE-2021-23758
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cpe:2.3:a:ajaxpro.2_project:ajaxpro.2:-
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cpe:2.3:a:ajaxpro.2_project:ajaxpro.2:2.9.17.2
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cpe:2.3:a:ajaxpro.2_project:ajaxpro.2:6.10.6.2
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cpe:2.3:a:michaelschwarz:ajax.net_professional:*