CVE-2019-18935
CISA KEVPublished 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
| Vendor | Product |
|---|---|
| Progress | Telerik UI for ASP.NET AJAX |
Patch Status
Patch by 2022-05-03
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2019-18935.