known ransomware use

Telerik UI for ASP.NET AJAX Insecure Direct Object Reference Vulnerability

Added to KEV
2023-01-26
Federal due date
2023-02-16
Vendor
Telerik
Product
User Interface (UI) for ASP.NET AJAX
EPSS
99.9th percentile (score 0.937, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2017-11357

CISA short description

Telerik UI for ASP.NET AJAX contains an insecure direct object reference vulnerability in RadAsyncUpload that can result in file uploads in a limited location and/or remote code execution.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.