CVE-2017-9248

Progress Telerik UI for ASP.NET AJAX and Sitefinity Cryptographic Weakness Vulnerability

Progress ASP.NET AJAX and SitefinityFrameworks

CVSS

9.8Critical

ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV

Exploit odds (EPSS)75.1%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS

Fixed inNone listedNo source names a fixed version yet

Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV

CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version.

Timeline

3 Jul 2017, 19:00 UTCPublishedCVE List
24 Jan 2018Exploit code publicExploit-DB
3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 1

Webapps exploitTelerik UI for ASP.NET AJAX 2012.3.1308 < 2017.1.118 - Encryption Keys Disclosure 24 Jan 2018Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Progress Telerik UI for ASP.NET AJAX and Sitefinity have a cryptographic weakness in Telerik.Web.UI.dll that can be exploited to disclose encryption keys (Telerik.Web.UI.DialogParametersEncryptionKey and/or the MachineKey), perform cross-site-scripting (XSS) attacks, compromise the ASP.NET ViewState, and/or upload and download files.

Text from CVE List

Affected versions 1

n/aaffected: n/aCVE List