An issue was discovered in certain Apple products. iOS before 10.3 is affected. The issue involves the Simple Certificate Enrollment Protocol (SCEP) implementation in the "Profiles" component. It allows remote attackers to bypass cryptographic protection mechanisms by leveraging DES support.
Apple Security Advisory 2017-03-27-4 - iOS 10.3 is now available and addresses code execution, information disclosure, denial of service, and various other vulnerabilities.