CVE

CVE-2019-18935

P1⬤ KNOWN RANSOMWARE USE

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

Progress · Telerik UI for ASP.NET AJAX

Date added (CISA)

2021-11-03

Remediation due

2022-05-03

Known ransomware use

Yes

Remediation priority

P1 — known ransomware use · past CISA due date

Associated with

Related to

Lazarus Group (TraderTraitor cluster) / APT38 / BlueNoroff · SPECTREcampaignCorrelated cluster2026-09-16
BadIIScampaignCorrelated cluster2026-08-26
SPECTREcampaignCorrelated cluster2026-08-20

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.

Source: NVD ↗ · CISA KEV Catalog ↗