CVE-2017-11317

CriticalPublished

Telerik UI for ASP.NET AJAX Unrestricted File Upload Vulnerability

Published: Aug 23, 2017
Updated: Oct 21, 2025
Assigning CNA: mitre
Evidence observed: Jan 24, 2018

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

84.2%

High · next 30 days

Percentile: 99.7%
Model date: Oct 13, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX before R1 2017 and R2 before R2 2017 SP2 uses weak RadAsyncUpload encryption, which allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

Sources

Repository evidence: Files: 1 · Repositories: 1

1 Module

Telerik UI ASP.NET AJAX RadAsyncUpload DeserializationModule
modules/exploits/windows/http/telerik_rau_deserialization.rb
Metasploit Framework modules
ExploitEvidence observed: Sep 26, 2026Revision: c3e1fbccdfb4Related tool
Declared conditions
- platform: Windows($.exploit_windows/http/telerik_rau_deserialization.platform)
- verification: check_declared($.exploit_windows/http/telerik_rau_deserialization.check)

RAU_cryptoExploit
Telerik UI for ASP.NET AJAX File upload and .NET deserialisation exploit (CVE-2017-11317, CVE-2017-11357, CVE-2019-18935)
CVE-2017-11317-auto-exploit-

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