What is CVE-2017-11317?
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.
The record classifies CVE-2017-11317 under weakness class CWE-326. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 3339 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS (FIRST)
- 84.1% probability of exploitation in the next 30 days, higher than 99.6% of all scored CVEs
- CISA KEV
- Listed since 2022-04-11, federal remediation deadline 2022-05-02
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2017-08-23, last modified 2025-10-21
Is CVE-2017-11317 being exploited?
CISA added CVE-2017-11317 to the Known Exploited Vulnerabilities catalog on 2022-04-11, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2022-05-02 under BOD 22-01. Weaponised exploit code for CVE-2017-11317 is publicly available. 4 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 48 in the Threadlinqs vulnerability feed.
- bao7uo/RAU_crypto (github)
- KasunPriyashan/Telerik-UI-ASP.NET-AJAX-Exploitation (github)
- 0xr2r/CVE-2017-11317-auto-exploit- (github)
- trickest/cve (trickest)
Affected products and versions
- (vendor unspecified): telerik:ui_for_asp.net_ajax
How to fix CVE-2017-11317
Because CVE-2017-11317 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2022-05-02. No vendor patch reference has been recorded for CVE-2017-11317 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2017-11317
2 tracked threats in the Threadlinqs corpus reference CVE-2017-11317, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS, CISA KEV, public proof-of-concept repositories. Last verified by Threadlinqs on .