CVE-2017-11317
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
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.7%
- Model date
- Sep 21, 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
5- 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-Exploit
Automated exploit for CVE-2017-11317 in Telerik UI for ASP.NET AJAX; exploits insecure direct object reference to upload files on vulnerable web applications.
Unrestricted File Upload by Weak Encryption affected versions (CVE-2017-11317) 2. Remote Code Execution by Insecure Deserialization - (CVE-2019-18935)
Responsible use
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