Telerik · User Interface (UI) for ASP.NET AJAX

CVE-2017-11357

Telerik UI for ASP.NET AJAX Insecure Direct Object Reference Vulnerability

Exploited in attacks Used by ransomware Critical 9.8 Attack chance: 78%

What it is

Progress Telerik UI for ASP.NET AJAX before R2 2017 SP2 does not properly restrict user input to RadAsyncUpload, which allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

CISA: Telerik UI for ASP.NET AJAX contains an insecure direct object reference vulnerability in RadAsyncUpload that can result in file uploads in a limited location and/or remote code execution.

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: February 16, 2023

Added to the CISA list: January 26, 2023
Published: August 23, 2017
Severity: Critical 9.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS): 78% in the top 0.4% of all known vulnerabilities
Weakness: CWE-20
More details: NVD · CVE.org · CISA

All references (2)

More exploited flaws from Telerik

Added	Vulnerability	Product	Severity	Attack chance
Apr 11, 2022	UI for ASP.NET AJAX Unrestricted File UploadCVE-2017-11317	User Interface (UI) for ASP.NET AJAX	Critical 9.8	84%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.