CVE-2017-9248 · netVigilance record NV21-0026

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

past due

What to do

Apply updates per vendor instructions.

CISA deadline 2022-05-03 · passed 4 years 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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.

Who is affected

Progress ASP.NET AJAX and Sitefinity. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-522.

Timeline

2021-11-03
Added to CISA KEVExploitation in the wild confirmed by CISA
2022-05-03
CISA remediation deadlinepassed 4 years 4 months ago

Sources

NVD entry for CVE-2017-9248 nvd.nist.gov/vuln/detail/CVE-2017-9248
CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2017-9248