CVE-2020-11414

HIGH

Telerik UI for Silverlight < 2020.1.330 - Path Traversal via RadUploadHandler

Title source: llm

Description

An issue was discovered in Progress Telerik UI for Silverlight before 2020.1.330. The RadUploadHandler class in RadUpload for Silverlight expects a web request that provides the file location of the uploading file along with a few other parameters. The uploading file location should be inside the directory where the upload handler class is defined. Before 2020.1.330, a crafted web request could result in uploads to arbitrary locations.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_misc

https://docs.telerik.com/devtools/silverlight/controls/radupload/how-to/secure-upload-file-path

Scores

CVSS v3 7.5

EPSS 0.0104

EPSS Percentile 59.8%

Attack Vector NETWORK

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

Details

CWE

CWE-22

Status published

Products (1)

telerik/ui_for_silverlight < 2020.1.330

Published Mar 31, 2020

Tracked Since Feb 18, 2026