CVE-2017-11317: Telerik UI for ASP.NET AJAX Unrestricted File Upload Vulnerability

CISA Known Exploited Vulnerabilities

Name

Telerik UI for ASP.NET AJAX Unrestricted File Upload Vulnerability

Vendor

Telerik

Product

User Interface (UI) for ASP.NET AJAX

Added to the catalog

2022-04-11

Due date for US federal agencies

2022-05-02

Weaknesses

CWE-326

Catalog version

2026.10.30

Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

Required action (CISA)

Apply updates per vendor instructions.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

• https://nvd.nist.gov/vuln/detail/CVE-2017-11317

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2017-08-23T17:29:00.177

Last modified

2026-06-17T01:01:36.190

Weaknesses

CWE-326

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.

References

• http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html (Exploit, Third Party Advisory, VDB Entry)
• http://www.telerik.com/support/kb/aspnet-ajax/upload-%28async%29/details/unrestricted-file-upload (Mitigation, Vendor Advisory)
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0006 (Third Party Advisory)
• https://www.exploit-db.com/exploits/43874/ (Exploit, Third Party Advisory, VDB Entry)
• http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html (Exploit, Third Party Advisory, VDB Entry)
• http://www.telerik.com/support/kb/aspnet-ajax/upload-%28async%29/details/unrestricted-file-upload (Mitigation, Vendor Advisory)
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0006 (Third Party Advisory)
• https://www.exploit-db.com/exploits/43874/ (Exploit, Third Party Advisory, VDB Entry)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11317 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:41:35.381Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2017-11317

CVE record

Assigner

mitre

State

PUBLISHED

Published

2017-08-23T17:00:00.000Z

Updated

2025-10-21T23:55:35.342Z

Problem types

n/a

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.

References

• 43874
• http://www.telerik.com/support/kb/aspnet-ajax/upload-%28async%29/details/unrestricted-file-upload
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0006
• http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html

Read on 2026-11-03T00:34:42.277Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2017/11xxx/CVE-2017-11317.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

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