CVE-2017-11357: Telerik UI for ASP.NET AJAX Insecure Direct Object Reference Vulnerability
Vulnerability summary
CVE-2017-11357 is a critical (CVSS 9.8) vulnerability in Telerik User Interface (UI) for ASP.NET AJAX. It is known to be exploited: CISA lists it, first on 26-01-2023. It has been used in ransomware campaigns. EPSS estimates a 77.68% chance of exploitation in the next 30 days, higher than 99.5% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 23-08-2017PublishedVulnerability first disclosed.
- 26-01-2023Added to CISA KEVTelerik UI for ASP.NET AJAX Insecure Direct Object Reference Vulnerability
- 16-02-2023CISA remediation dueApply updates per vendor instructions.
- 14-08-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
77.68%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
0.00 pp
From 77.68% on 20-09-2026
Known exploited
Compare KEV catalogs- Added
- 26-01-2023
- Federal due date
- 16-02-2023
CISA required action
Apply updates per vendor instructions. docs.telerik.com/devtools/aspnet-ajax/knowledge-base/asyncupload-insecure-direct-object-reference nvd.nist.gov/vuln/detail/CVE-2017-11357
Public exploits
1 foundTelerik UI for ASP.NET AJAX 2012.3.1308 < 2017.1.118 - Arbitrary File Upload
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Progress1 product
- telerik_ui_for_asp.net_ajax< 2020.1.114
1 vendor · 1 product
References
3 links- www.telerik.com/support/kb/aspnet-ajax/upload-%28async%29/details/insecure-direct-object-referenceX Refsource CONFIRMMitigationVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11357Government ResourceUS Government Resource