CVE-2017-11317

CRITICAL
9.8
CVSS Score
Published: August 23, 2017 at 05:00 PM UTC
Updated: June 17, 2026 at 01:01 AM UTC
1 product affected across 1 vendorUI for Asp.net Ajax

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Severity
CRITICAL9.8
Exploitation
CISA KEV
Exploit prediction
EPSS 84%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score84.2%

EPSS (Exploit Prediction Scoring System) estimates a 84.2% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Apr 11, 2022
Remediation Due
May 2, 2022
1639 days overdue

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCActiveAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-326

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