# CVE-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.

- Page: https://www.vulneraibility.com/cve/CVE-2017-11317
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-04-11; CISA due date 2022-05-02
- EPSS: 84.17% (percentile 99.7)
- Public exploit code: 1 on Exploit-DB · 1 Metasploit module · 3 GitHub proofs of concept (first 2018-01-09)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-07)
- Weakness: CWE-326
- Published: 2017-08-23

## Affected

- telerik:ui_for_asp.net_ajax

## References

- [exploit] https://www.exploit-db.com/exploits/43874/
- [other] http://www.telerik.com/support/kb/aspnet-ajax/upload-%28async%29/details/unrestricted-file-upload
- [other] https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0006
- [other] http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11317

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.