# CVE-2017-9248: A Progress ASP.NET AJAX and Sitefinity bug is being used in attacks

Status: Being used now (CISA KEV, added 2021-11-03)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Progress ASP.NET AJAX and Sitefinity (CVE-2017-9248) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2017-9248. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
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.

## Sources
- https://nvd.nist.gov/vuln/detail/CVE-2017-9248
- https://nvd.nist.gov/vuln/detail/CVE-2017-9248

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.