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.
https://github.com/advisories/GHSA-9hvf-pfq3-7pp6
https://jenkins.io/security/advisory/2020-01-15/#SECURITY-1004