AEGLIX vulnerability intelligence
CVE-2017-9248
CRITICAL · CVSS 9.8 · Analyzed
Published: 2017-07-03 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 9.8 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-522
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Progress · ASP.NET AJAX and Sitefinity
- Added to catalog
- 2021-11-03
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-05-03
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:progress:sitefinity:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.6412.0
cpe:2.3:a:telerik:ui_for_asp.net_ajax:*:*:*:*:*:*:*:*
Through (inclusive): 2017.2.503
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://www.securityfocus.com/bid/99965
Broken Link · Third Party Advisory · VDB Entry
- http://www.telerik.com/blogs/security-alert-for-telerik-ui-for-asp.net-ajax-and-progress-sitefinity
Vendor Advisory
- http://www.telerik.com/support/kb/aspnet-ajax/details/cryptographic-weakness
Mitigation · Vendor Advisory
- https://www.exploit-db.com/exploits/43873/
Exploit · Third Party Advisory · VDB Entry
- http://www.securityfocus.com/bid/99965
Broken Link · Third Party Advisory · VDB Entry
- http://www.telerik.com/blogs/security-alert-for-telerik-ui-for-asp.net-ajax-and-progress-sitefinity
Vendor Advisory
- http://www.telerik.com/support/kb/aspnet-ajax/details/cryptographic-weakness
Mitigation · Vendor Advisory
- https://www.exploit-db.com/exploits/43873/
Exploit · Third Party Advisory · VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9248
US Government Resource