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CVE-2019-18935

CISA KEV

Published November 3, 2021 · Updated April 3, 2026

high
Official Description+

Progress Telerik UI for ASP.NET AJAX contains a deserialization of untrusted data vulnerability through RadAsyncUpload which leads to code execution on the server in the context of the w3wp.exe process.

Affected Products

VendorProduct
ProgressTelerik UI for ASP.NET AJAX

Patch Status

Patch by 2022-05-03

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2019-18935.