CVE-2017-11357

CRITICAL
9.8
CVSS Score
Published: August 23, 2017 at 05:00 PM UTC
Updated: August 14, 2026 at 05:36 AM UTC
1 product affected across 1 vendorTelerik UI for ASP.NET AJAX

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Severity
CRITICAL9.8
Exploitation
CISA KEV
Exploit prediction
EPSS 78%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score77.7%

EPSS (Exploit Prediction Scoring System) estimates a 77.7% 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 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.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Known
Added to KEV
Jan 26, 2023
Remediation Due
Feb 16, 2023
1349 days overdue

Description

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.

Affected

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

v < 2020.1.114
Affected range stops below 2020.1.114, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

References (3)

Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/43874/
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11357

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-434

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