{"schema_version":"1","data":[{"id":3721,"advisory_id":"e329f685-0317-473a-a380-d7135054cf46","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2017-9248","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:40:00.897313+00:00","extraction_method":"structured","technologies":["asp-net-ajax-and-sitefinity","core-kev"],"cve_ids":["CVE-2017-9248"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Progress Telerik UI for ASP.NET AJAX and Sitefinity Cryptographic Weakness Vulnerability","summary":"Progress Telerik UI for ASP.NET AJAX and Sitefinity have a cryptographic weakness in Telerik.Web.UI.dll that can be exploited to disclose encryption keys (Telerik.Web.UI.DialogParametersEncryptionKey and/or the MachineKey), perform cross-site-scripting (XSS) attacks, compromise the ASP.NET ViewState, and/or upload and download files. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2017-9248","products":[{"name":{"value":"ASP.NET AJAX and Sitefinity","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2017-9248","aliases":["CVE-2017-9248"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-522"],"cveID":"CVE-2017-9248","notes":"https://nvd.nist.gov/vuln/detail/CVE-2017-9248","dueDate":"2022-05-03","product":"ASP.NET AJAX and Sitefinity","dateAdded":"2021-11-03","vendorProject":"Progress","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Progress Telerik UI for ASP.NET AJAX and Sitefinity have a cryptographic weakness in Telerik.Web.UI.dll that can be exploited to disclose encryption keys (Telerik.Web.UI.DialogParametersEncryptionKey and/or the MachineKey), perform cross-site-scripting (XSS) attacks, compromise the ASP.NET ViewState, and/or upload and download files.","vulnerabilityName":"Progress Telerik UI for ASP.NET AJAX and Sitefinity Cryptographic Weakness Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2017-9248","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3721,"next_before":3721}