Skip to main content

CVE-2017-11317

Telerik — Telerik UI for ASP.NET AJAX Unrestricted File Upload Vulnerability

Telerik · CWE-326 · in CISA KEV since 2022-04-11

KEV since 2022 · listed over a yearCISA KEVActively Exploited
83

EVRS 83 of 100 Urgent

Patch This Cycle

Rank 523 of 2,960 tracked

Download PDF

Why it scores 83

Evidence available: 6 of 7 signals

Listed in the CISA KEV catalog, and an EPSS probability of 0.842.

  • CISA KEVApplied
  • RansomwareDid not apply
  • Vendor exploitationDid not apply
  • EPSSApplied
  • Microsoft Exploitability IndexNot applicable
  • Pre-patch disclosureNo data
  • KEV recencyDid not apply
  • CVSSApplied

The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data

Fix

Patch or fixed version identified

CISA required action

Fixed in

ui for asp.net ajax: update to a version newer than 2016.3.1027

Affected versions

  • ui for asp.net ajax<= 2016.3.10272017.2.5032017.2.621

Remediation

Apply updates per vendor instructions.

Fixed versions from NVD.

Evidence

Each value with its source
MeasureValueSource
CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. 9.8 NVD
FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. 0.842 (99.7th pctl) FIRST EPSS
Actively exploitedWhether a source of record has confirmed attacks using it in the wild. Confirmed CISA KEV
Ransomware campaign useWhether CISA has seen ransomware operators use it. Unknown or none CISA KEV
CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. 2022-05-02 · KEV since 2022 · listed over a year CISA KEV
Public exploit moduleA module existing is not the same as active exploitation. Public module exists Metasploit
EUVD cross-referenceENISA's record: CVSS 9.8 (v3.1), assigned by mitre. Listed ENISA EUVD

Description

NVD

Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX before R1 2017 and R2 before R2 2017 SP2 uses weak RadAsyncUpload encryption, which allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

What CISA says to do

Public module

Metasploit lists a public excellent-rank module for this CVE: Telerik UI ASP.NET AJAX RadAsyncUpload Deserialization (windows/http/telerik_rau_deserialization). A module existing is not the same as active exploitation; see metasploit.com.