{"containers":{"cna":{"affected":[{"product":"SSH.NET","vendor":"sshnet","versions":[{"status":"affected","version":">= 2020.0.0, < 2020.0.2"}]}],"descriptions":[{"lang":"en","value":"SSH.NET is a Secure Shell (SSH) library for .NET. In versions 2020.0.0 and 2020.0.1, during an `X25519` key exchange, the client’s private key is generated with `System.Random`. `System.Random` is not a cryptographically secure random number generator, it must therefore not be used for cryptographic purposes. When establishing an SSH connection to a remote host, during the X25519 key exchange, the private key is generated with a weak random number generator whose seed can be brute forced. This allows an attacker who is able to eavesdrop on the communications to decrypt them. Version 2020.0.2 contains a patch for this issue. 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