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CVE-2017-11317

97
FAUCET Score

CVE-2017-11317 is a critical vulnerability affecting Progress Telerik UI for ASP.NET AJAX versions before R1 2017 and R2 before R2 2017 SP2, stemming from weak encryption in the RadAsyncUpload component. This allows unauthenticated remote attackers to perform arbitrary file uploads and execute arbitrary code with high impact on confidentiality, integrity, and availability. The vulnerability has a CVSS score of 9.8 (CRITICAL) and is actively exploited, with public exploit modules available in Metasploit and ExploitDB. It has garnered significant community discussion and media coverage, indicating widespread awareness and concern.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2016.3.1027CPE matchmatch criteria
cpe:2.3:a:telerik:ui_for_asp.net_ajax:*:*:*:*:*:*:*:*
2017.2.503CPE matchmatch criteria
cpe:2.3:a:telerik:ui_for_asp.net_ajax:2017.2.503:*:*:*:*:*:*:*
2017.2.621CPE matchmatch criteria
cpe:2.3:a:telerik:ui_for_asp.net_ajax:2017.2.621:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

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
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
83.48%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Added to KEV · Apr 11, 2022
Metasploit: Telerik UI ASP.NET AJAX RadAsyncUpload Deserialization · Dec 9, 2019
ExploitDB: EDB-43874 · Jan 24, 2018
This CVE's current EPSS score of 0.8348 is in the 98th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (4)

azurevendor investigatingvia llm_extracted
Fixed in: 15.7
dotnetvendor investigatingvia llm_extracted
langgeniusvendor investigatingvia llm_extracted
phoenix_contactvendor investigatingvia llm_extracted

Vendor Advisories (4)

langgeniusllm-langgenius-98f65dc57aed9912CRITICAL

GFI Archiver v15.7 Multiple vulnerabilities

Jun 10, 2025
dotnetllm-dotnet-6c5c272c312c46ecCRITICAL

GFI Archiver v15.7 Multiple vulnerabilities

Jun 10, 2025
azurellm-azure-b7c7b2b7782bb54cCRITICAL

GFI Archiver v15.7 Multiple vulnerabilities

Jun 10, 2025
phoenix_contactllm-phoenix_contact-a52edad4e7c222c4CRITICAL

GFI Archiver v15.7 Multiple vulnerabilities

Jun 10, 2025

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html
ExploitThird Party AdvisoryVDB Entry
psirt.global.sonicwall.com / vuln-detail/SNWLID-2018-0006
Third Party Advisory
exploit-db.com / exploits/43874
ExploitThird Party AdvisoryVDB Entry
telerik.com / support/kb/aspnet-ajax/upload-%28async%29/details/unrestricted-file-upload
MitigationVendor Advisory