CVE-2017-9248

Summary

CVECVE-2017-9248
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-07-03 19:29:00 UTC
Updated2019-10-03 00:03:00 UTC
DescriptionTelerik.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.

Risk And Classification

EPSS: 0.878020000 probability, percentile 0.994670000 (date 2026-04-01)

CISA KEV: Listed on 2021-11-03; due 2022-05-03; ransomware use Unknown

Problem Types: CWE-522

CISA Known Exploited Vulnerability

VendorProgress
ProductASP.NET AJAX and Sitefinity
NameProgress Telerik UI for ASP.NET AJAX and Sitefinity Cryptographic Weakness Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2017-9248

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Telerik Sitefinity Cms All All All All
Application Telerik Ui For Asp.net Ajax All All All All

References

ReferenceSourceLinkTags
Cryptographic Weakness - Telerik UI for ASP.NET AJAX - KB CONFIRM www.telerik.com Mitigation, Vendor Advisory
Telerik UI for ASP.NET AJAX 2012.3.1308 < 2017.1.118 - Encryption Keys Disclosure - ASPX webapps Exploit EXPLOIT-DB www.exploit-db.com
Telerik Web UI CVE-2017-9248 Cryptographic Security Bypass Vulnerability BID www.securityfocus.com
Security Alert for UI for ASP.NET AJAX and Sitefinity CONFIRM www.telerik.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev
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