CVE-2017-9248
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
References
Published
Community ground truth
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Field notes & remediation
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- 0
Confirmed exploited in the wild — listed in the CISA KEV catalog (added 2021-11-03). Treat as real and prioritize patching over triage.
Related CVEs
Same weakness — CWE-522 · Insufficiently Protected Credentials.