CVE-2017-11317
Confirmed PUBLISHEDTelerik.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...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Aug 23, 2017
- Exploitation Reported
- Apr 11, 2022
- CVSS
- 9.8 Critical
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- 43874 exploit-db.com · Exploit https://www.exploit-db.com/exploits/43874/
- telerik.com/support/kb/aspnet-ajax/upload-%28async%29/de... telerik.com · CVE Record http://www.telerik.com/support/kb/aspnet-ajax/upload-%28async%29/deta...
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0006 psirt.global.sonicwall.com · CVE Record https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0006
- packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyn... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-R...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2022-04-11 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/telerik_rau_deserialization.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
Exploitation Status
Exploited in the wild
Recorded 2022-04-11 00:00:00 UTC · CISA
Proof of concept available
Recorded 2022-10-13 14:19:12 UTC · GitHub
Weaknesses (CWE)
-
Inadequate Encryption Strength
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/telerik_rau_deserialization.rb | Apr 28, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2024-07-18 11:41:16 UTC · 0 stars
github · Created 2022-10-13 14:19:12 UTC · 0 stars
Arbitrary code execution analysis based on Telerik-UI. This will be done so that the article can be read by others. The document provides an in-depth explanation of the various vectors involved with Telerik-UI for ASP.NET AJAX, as well as POST requests, the architecture of ASP.NET AJAX,
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Metasploit module available
Exploit module available
-
14:19 UTC almost 4 years ago14:19 UTC · almost 4 years ago
Public PoC available
Public proof-of-concept code published
-
00:00 UTC over 4 years ago00:00 UTC · over 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
17:00 UTC almost 9 years ago17:00 UTC · almost 9 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC about 9 years ago00:00 UTC · about 9 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2017-11317
{
"cve_id": "CVE-2017-11317",
"title": "Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX before R1 2017 and R2 ...",
"affected_vendor": "Progress",
"affected_product": "Telerik UI for ASP.NET AJAX",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 9.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}