CA Technologies Support is alerting customers to a Medium risk vulnerability with CA API Gateway (formerly known as Layer7 API Gateway). A vulnerability exists in CA API Gateway that may allow a remote unauthenticated attacker to conduct CRLF Injection attacks in limited network configurations. CA has fixes available. Versions affected include 7.1, 8.0, 8.1, 8.2, 8.3, and 8.4.