CVE-2017-11317

9.8 CRITICAL CISA KEV - Actively Exploited

Published: August 23, 2017 Modified: October 22, 2025

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html

Source: cve@mitre.org

Exploit Third Party Advisory VDB Entry

http://www.telerik.com/support/kb/aspnet-ajax/upload-%28async%29/details/unrestricted-file-upload

Source: cve@mitre.org

Mitigation Vendor Advisory

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0006

Source: cve@mitre.org

Third Party Advisory

https://www.exploit-db.com/exploits/43874/

Source: cve@mitre.org

Exploit Third Party Advisory VDB Entry

http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory VDB Entry

http://www.telerik.com/support/kb/aspnet-ajax/upload-%28async%29/details/unrestricted-file-upload

Source: af854a3a-2127-422b-91ae-364da2661108

Mitigation Vendor Advisory

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0006

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.exploit-db.com/exploits/43874/

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory VDB Entry

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11317

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

9 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

92.1%

100th percentile

Exploitation Status

Actively Exploited

Remediation due: 2022-05-02

Weaknesses (CWE)

CWE-326 CWE-326

Affected Vendors

telerik

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