CVE-2017-11317Telerik UI for ASP.NET AJAX Unrestricted File Upload Vulnerability

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.

9.8 CRITICALEPSS 84.17%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 01:01 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Aug 23, 2017
Assigner: mitre

Affected

ui for asp.net ajax (telerik)

Versions: through 2016.3.1027 · 2017.2.503

All affected versions →

Exploitation

Public exploit: Yes · 2 references
CISA KEV: Listed · Apr 11, 2022
KEV due date: May 2, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 7

84.17%chance of exploitation in 30 days

Higher than 99.69% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

7.5High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack vector: Network
Attack complexity: Low
Authentication: None
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5	HIGH	2.0NVD	AV:N/AC:L/Au:N/C:P/I:P/A:P

CISA required action

⚡ Known exploited · remediation due May 2, 2022

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Details

CVE ID: CVE-2017-11317
Status: Analyzed
Assigner (CNA): mitre
Published: Aug 23, 2017
Last modified: 2026-06-17 01:01 UTC
Weaknesses: CWE-326

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 13:25 UTC.