CVE-2017-11317: Telerik UI for ASP.NET AJAX Unrestricted File Upload Vulnerability
CVE-2017-11317 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-04-11
Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX uses weak RadAsyncUpload encryption, allowing remote attackers to perform arbitrary file uploads or execute arbitrary code via a deserialization flaw. The vulnerability stems from inadequate encryption strength in the file upload component.
Quick answers
Is CVE-2017-11317 exploited in the wild?
Yes. CVE-2017-11317 is known to be exploited in the wild, first recorded on 11 April 2022. Treat it as urgent.
How severe is CVE-2017-11317?
Critical severity, with a CVSS score of 9.8, published 11 April 2022.
Which products and versions are affected?
Progress Telerik UI for ASP.NET AJAX (RadAsyncUpload) before R1 2017 and R2 before R2 2017 SP2.
Is there a fix for CVE-2017-11317?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2017-11317 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2017-11317?
Check whether you run Telerik User Interface (UI) for ASP.NET AJAX. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Progress Telerik UI for ASP.NET AJAX (RadAsyncUpload) before R1 2017 and R2 before R2 2017 SP2
Timeline
2017-08-23: disclosed: NVD Published Date
2022-04-11: kev added: Added to CISA Known Exploited Vulnerabilities Catalog