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Findings

CVE-2017-11317

Telerik UI for ASP.NET AJAX Unrestricted File Upload Vulnerability

Published Aug 23, 2017 · updated Jun 16, 2026 · telerik ui for asp.net ajax

Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX before R1 2017 and R2 before R2 2017 SP2 uses weak RadAsyncUpload encryption, which allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 23, 2017 · Catalog

    Detected

    Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX before R1 2017 and R2 before R2 2017 SP2 uses weak RadAsyncUpload encryption, which allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

  2. Apr 11, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 2, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX before R1 2017 and R2 before R2 2017 SP2 uses weak RadAsyncUpload encryption, which allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

Required action

Apply updates per vendor instructions.

CISA due date May 2, 2022

Affected

  • cpe telerik/ui for asp.net ajaxversion unspecified
  • cpe telerik/ui for asp.net ajax2017.2.503
  • cpe telerik/ui for asp.net ajax2017.2.621
  • vendor Telerik User Interface (UI) for ASP.NET AJAXversion unspecified

Sources

  • CISA KEVCVE-2017-11317

    Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

    cisa.gov
  • CVE.orgCVE-2017-11317

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2017-11317

    30-day exploitation probability 84.2%

    first.org
  • Exploit Database43874

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit Modulesexploit_windows/http/telerik_rau_deserialization

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDCVE-2017-11317

    Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX before R1 2017 and R2 before R2 2017 SP2 uses weak RadAsyncUpload encryption, which allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

    nvd.nist.gov
  • Packet Storm Securityhttp://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References