Improper Certificate Validation Affecting system.net.http.winhttphandler package, versions [,4.0.2) [4.3,4.5.4)
Threat Intelligence
EPSS
0.21% (60th
percentile)
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Test your applications- Snyk ID SNYK-DOTNET-SYSTEMNETHTTPWINHTTPHANDLER-60042
- published 12 May 2017
- disclosed 12 May 2017
- credit Joonwoo Yu, Hyoung-Kee Choi
Introduced: 12 May 2017
CVE-2017-0248 Open this link in a new tabHow to fix?
Upgrade System.Net.Http.WinHttpHandler
to version 4.0.2, 4.5.4 or higher.
Overview
Affected versions of this package are vulnerable to Improper Certificate Validation. It allows an attacker to bypass Enhanced Security Usage tagging when they present a certificate that is invalid for a specific use.
References
CVSS Scores
version 3.1