Is CVE-2017-9248 actively exploited?

CVE-2017-9248 has no public evidence of in-the-wild exploitation as of 2025-10-22.

What is the CVSS score for CVE-2017-9248?

CVE-2017-9248 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2017-9248?

Patch guidance is available from progress security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-9248.

Fix CVE-2017-9248 - CRITICAL progress sitefinity

Q: Which products are affected by CVE-2017-9248?

2 products: progress sitefinity, telerik ui for asp.net ajax.

Description

Telerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX before R2 2017 SP1 and Sitefinity before 10.0.6412.0 does not properly protect Telerik.Web.UI.DialogParametersEncryptionKey or the MachineKey, which makes it easier for remote attackers to defeat cryptographic protection mechanisms, leading to a MachineKey leak, arbitrary file uploads or downloads, XSS, or ASP.NET ViewState compromise.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-522 · Insufficiently Protected Credentials CWE-522 · Insufficiently Protected Credentials

Metadata

Primary Vendor: PROGRESS
Published: 7/3/2017
Last Modified: 10/22/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2017-9248

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary