CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: May 3, 2022

CVE-2017-9248

High

EPSS 87.8%CISA KEV

Progress/ASP.NET AJAX and Sitefinity

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.

EPSS — Exploit Probability

87.8%

Higher than 99.5% of all CVEs

Required Action

https://nvd.nist.gov/vuln/detail/CVE-2017-9248

Risk Assessment

HIGH

In CISA KEV

High EPSS

Details

Severity: High
EPSS: 87.8%
CISA KEV: Yes
Ransomware: Unknown
Articles: 0

Timeline

Published

Nov 3, 2021

Added to KEV

Nov 3, 2021

Remediation Due

May 3, 2022

Affected Product

Progress

ASP.NET AJAX and Sitefinity

View all Progress CVEs

External Links

NVD (NIST)CVE Details MITRE CVE