CVE-2017-11317
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…
Browse: All 2017 CVEs · All vendors
- CVSS score
- 9.8 Critical
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2022-04-11, remediation due 2022-05-02)
- Weakness (CWE)
- CWE-326
- Published
- 2017-08-23
- Last modified
- 2026-06-17
- NVD status
- Analyzed
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.
Affected products
- telerik ui for asp.net ajax
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2022-05-02.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score. For the actively exploited vulnerabilities that matter this week, read The Exploit HQ daily security brief.
References
- http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html
- 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
- https://www.exploit-db.com/exploits/43874/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11317
FAQ
Is CVE-2017-11317 actively exploited?
Yes. CISA added CVE-2017-11317 to its Known Exploited Vulnerabilities (KEV) catalog on 2022-04-11, with a federal remediation deadline of 2022-05-02. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2017-11317?
CVE-2017-11317 has a CVSS base score of 9.8 (Critical). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2017-11357 — Telerik User Interface (UI) for ASP.NET AJ
- CVE-2017-1000486 — Primetek Primefaces Application
- CVE-2018-15811 — DotNetNuke (DNN) DotNetNuke (DNN)
- CVE-2018-18325 — DotNetNuke (DNN) DotNetNuke (DNN)
- CVE-2026-102764 — BeyondTrust Remote Support
- CVE-2025-61624 — Fortinet Multiple Products
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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