A missing permission check in Jenkins Amazon EC2 Plugin 1.50.1 and earlier in form-related methods allowed users with Overall/Read access to enumerate credentials ID of credentials stored in Jenkins.

Jenkins Amazon EC2 Plugin 1.50.1 and earlier unconditionally accepts self-signed certificates and does not perform hostname validation, enabling man-in-the-middle attacks.

A cross-site request forgery vulnerability in Jenkins Amazon EC2 Plugin 1.50.1 and earlier allows attackers to provision instances.

Jenkins Amazon EC2 Plugin 1.50.1 and earlier does not validate SSH host keys when connecting agents, enabling man-in-the-middle attacks.

A missing permission check in Jenkins Amazon EC2 Plugin 1.47 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL within the AWS region using attacker-specified credentials IDs obtained through another method.

A cross-site request forgery vulnerability in Jenkins Amazon EC2 Plugin 1.47 and earlier allows attackers to connect to an attacker-specified URL within the AWS region using attacker-specified credentials IDs obtained through another method.