CVE-2017-11317

CRITICALNVD 9.89.8—Trending — 4 sources updated this weekExploited in the wild

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 99.7%
KEV: ⚠ Exploited

Published

August 23, 2017

Last Modified

April 21, 2026

Advisory Details (3)

Auto-updated Apr 30, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11317

generic🟡 PoC Available

Telerik UI for ASP.NET AJAX 2012.3.1308 < 2017.1.118 - Arbitrary File Upload - ASPX webapps Exploit

https://www.exploit-db.com/exploits/43874/

generic

Security Advisory

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0006

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-326Inadequate Encryption Strength

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-01 00:21 UTCEG score recompute
2026-06-01 00:21 UTCGHSA enrichment
2026-05-31 22:28 UTCepss_batch
2026-05-29 22:20 UTCkev_newly_listed
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 20:35 UTCkev_newly_listed
2026-05-26 19:13 UTCkev_newly_listed
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 19:13 UTCkev_newly_listed
2026-05-21 22:36 UTCkev_newly_listed
2026-05-20 17:33 UTCkev_newly_listed
2026-05-20 10:06 UTCEG score recompute
2026-05-20 10:06 UTCGHSA enrichment
2026-05-20 06:29 UTCEG score recompute
2026-05-20 06:29 UTCGHSA enrichment

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Metasploitexploit/windows/http/telerik_rau_deserialization✓ verified
First seen Dec 9, 2019
Telerik UI ASP.NET AJAX RadAsyncUpload Deserialization
Open source ↗
Exploit-DBEDB-43874
First seen Jan 24, 2018
Telerik UI for ASP.NET AJAX 2012.3.1308 < 2017.1.118 - Arbitrary File Upload
Open source ↗
GitHub PoCbao7uo/RAU_crypto
First seen Jan 9, 2018
Telerik UI for ASP.NET AJAX File upload and .NET deserialisation exploit (CVE-2017-11317, CVE-2017-11357, CVE-2019-18935)
Open source ↗

Frequently asked(6)

What is CVE-2017-11317?

CVE-2017-11317 is a critical vulnerability published on August 23, 2017. 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.

When was CVE-2017-11317 disclosed?

CVE-2017-11317 was first published in the National Vulnerability Database on August 23, 2017, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2017-11317 actively exploited?

Yes. CISA added CVE-2017-11317 to the Known Exploited Vulnerabilities catalog on April 11, 2022, affecting Telerik User Interface (UI) for ASP.NET AJAX. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2017-11317?

CVE-2017-11317 has a CVSS v3 base score of 9.8 (NVD).

Which products are affected by CVE-2017-11317?

CVE-2017-11317 affects Telerik User Interface (UI) for ASP.NET AJAX. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2017-11317?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-11317, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2017-11317

📅 Published

🔄 Last Modified

📋 Advisory Details (3)