CVE-2020-11414

7.5 highEPSS 1.2%

High (7.5) in telerik ui for silverlight. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2020-03-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

telerik:ui_for_silverlight

References

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

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