Telerik UI for ASP.NET AJAX 2010.1.309 < 2026.2.708 Multiple RadAsyncUpload Vulnerabilities

The version of Progress Telerik UI for ASP.NET AJAX installed on the remote Windows host is 2010.1.309 or later and prior to 2026.2.708. It is, therefore, affected by multiple vulnerabilities: - In Progress Telerik UI for AJAX prior to v2026.2.708, RadAsyncUpload client-state processing can...

CVE-2021-28141: Missing Authorization

An issue was discovered in Progress Telerik UI for ASP.NET AJAX 2021.1.224. It allows unauthorized access to MicrosoftAjax.js through the Telerik.Web.UI.WebResource.axd file. This may allow the attacker to gain unauthorized access to the server and execute code. To exploit, one must use the...

CVE-2019-18935: Deserialization of Untrusted Data

Progress Telerik UI for ASP.NET AJAX through 2019.3.1023 contains a .NET deserialization vulnerability in the RadAsyncUpload function. This is exploitable when the encryption keys are known due to the presence of CVE-2017-11317 or CVE-2017-11357, or other means. Exploitation can result in remote...

CVE-2017-9248: Insufficiently Protected Credentials

Telerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX before R2 2017 SP1 and Sitefinity before 10.0.6412.0 does not properly protect Telerik.Web.UI.DialogParametersEncryptionKey or the MachineKey, which makes it easier for remote attackers to defeat cryptographic protection mechanisms, leadi...

PT-2017-4156

Name of the Vulnerable Software and Affected Versions Progress Telerik UI for ASP.NET AJAX versions prior to R2 2017 SP1 Sitefinity versions prior to 10.0.6412.0 Description The issue is related to insufficient protection of registration data in the Telerik.Web.UI.dll library, which is part of th...