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CVE-2017-9248Progress Telerik UI for ASP.NET AJAX and Sitefinity Cryptographic Weakness Vulnerability
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, leading to a MachineKey leak, arbitrary file uploads or downloads, XSS, or ASP.NET ViewState compromise.
9.8 CRITICALEPSS 75.09%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 7.5 | HIGH | 2.0NVD | AV:N/AC:L/Au:N/C:P/I:P/A:P |
CISA required action
⚡ Known exploited · remediation due May 3, 2022
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2017-9248
- Status
- Analyzed
- Assigner (CNA)
- mitre
- Published
- Jul 3, 2017
- Last modified
- 2026-06-17 01:27 UTC
- Weaknesses
Affected Products
From NVD CPE configurations.
progresssitefinity1 version range
- before 10.0.6412.0
telerikui for asp.net ajax1 version range
- through 2017.2.503
References
- securityfocus.com http://www.securityfocus.com/bid/99965
- telerik.com http://www.telerik.com/blogs/security-alert-for-telerik-ui-for-asp.net-ajax-and-progress-sitefinity
- telerik.com http://www.telerik.com/support/kb/aspnet-ajax/details/cryptographic-weakness
- exploit-db.com https://www.exploit-db.com/exploits/43873/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9248