All vulnerabilities
CVE-2019-18935

Progress Telerik UI for ASP.NET AJAX Deserialization of Untrusted Data Vulnerability

Progress Telerik UI for ASP.NET AJAXFrameworks
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 3 Nov 2021. Known ransomware useCISA KEV
Exploit odds (EPSS)99.7%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 9 Dec 2019Exploit code publicMetasploit
  2. 11 Dec 2019, 00:00 UTCPublishedCVE List
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleTelerik UI ASP.NET AJAX RadAsyncUpload Deserialization 9 Dec 2019Metasploit
  • Webapps exploitTelerik UI - Remote Code Execution via Insecure Deserialization 18 Dec 2019Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

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.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 10