GHSA-Q4R8-XM5F-56GW step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)

Summary An attacker can force a Step CA SCEP provisioner to create certificates without completing certain protocol authorization checks. Details SCEP requests carry a message type. On receipt of a SCEP request, Step CA starts processing it by parsing its contents. Message types that were...