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TI-2017-06690 Aliases CVE-2017-9248GHSA-mfqq-q5rf-3hvq

Telerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX before R2 2017 SP1 and…

Priority CRITICAL 100Exploited in the wildCWE-522Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-522.

Summary

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.

Why it matters now

Exploitation Active In CISA KEV since 2021-11-03CISA due date 2022-05-03
EPSS 0.75098 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:progress:sitefinity:*:*:*:*:*:*:*:*before 10.0.6412.0VulnerableProgress
cpe:2.3:a:telerik:ui_for_asp.net_ajax:*:*:*:*:*:*:*:*up to 2017.2.503VulnerableTelerik
  • cpe:2.3:a:progress:sitefinity:*:*:*:*:*:*:*:* Versions before 10.0.6412.0 Vulnerable ·Progress
  • cpe:2.3:a:telerik:ui_for_asp.net_ajax:*:*:*:*:*:*:*:* Versions up to 2017.2.503 Vulnerable ·Telerik

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2021-11-03 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2017-9248
  3. 2026-10-03 Alias added: GHSA-mfqq-q5rf-3hvq

References

Exploit 1

Advisory 2

  • TI-2023-12346 Progress Sitefinity before 15.0.0 allows XSS by authenticated users via the content form in the SF Editor. CVSS 3.1MEDIUM 6.5
  • TI-2023-13767 An issue was discovered in Progress Sitefinity 13.3 before 13.3.7647, 14.0 before… CVSS 3.1CRITICAL 9.8
  • TI-2026-06317 Improper access control in Progress Sitefinity CVSS 3.1CRITICAL 9.8
  • TI-2017-11630 Sitefinity 5.1, 5.2, 5.3, 5.4, 6.x, 7.x, 8.x, 9.x, and 10.x allow remote attackers to… CVSS 3.0CRITICAL 9.8
  • TI-2019-12987 Progress Sitefinity 12.1 has a Weak Password Recovery Mechanism for a Forgotten Password… CVSS 3.1CRITICAL 9.8
  • TI-2026-06419 Insufficiently protected credentials in Progress Sitefinity CVSS 3.1CRITICAL 10.0
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences