Is CVE-2017-11317 in the CISA KEV catalog?

Yes. CVE-2017-11317 is on the CISA Known Exploited Vulnerabilities list, added 2022-04-11.

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

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

What is the EPSS score for CVE-2017-11317?

CVE-2017-11317 has an EPSS score of 83.48% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-11317

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

Description

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.

CWE-326

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

83.48%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Telerik UI for ASP.NET AJAX Unrestricted File Upload Vulnerability

Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX allows remote attackers to perform arbitrary file uploads or execute arbitrary code.

Apply updates per vendor instructions.

Remediation due: 2022-05-02

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.