Saml2 Authentication services for ASP.NET (NuGet package Sustainsys.Saml2) greater than 2.0.0, and less than version 2.5.0 has a faulty implementation of Token Replay Detection.
CVSS 3.1HIGH 8.2·Network·Low privileges·No interaction·EPSS 0.01496·Published 2020-03-25·Fixed in 2.5.0CWE-294
In Saml2 Authentication Services for ASP.NET versions before 1.0.2, and between 2.0.0 and 2.6.0, there is a vulnerability in how tokens are validated in some cases.
CVSS 3.1HIGH 7.3·Network·Low privileges·User interaction·EPSS 0.01086·Published 2020-04-21·Fixed in 1.0.2, 2.7.0CWE-303