Vulnerability Database

Total number of vulnerabilities in the DB: 296,172

System.Security.Cryptography.X509Certificates

You can search for specific versions with https://synscan.net/product/System.Security.Cryptography.X509Certificates/1.2.3

Title	Severity	Exploit	Date	Affected Version
CVE-2017-11770	High		Nov 15, 2017	>= 4.0.0 < 4.1.2