system
Describe <CVE-2020-28393>.
user
What is <CVE-2020-28393>?
assistant
An unauthenticated remote attacker could create a permanent denial-of-service condition by sending specially crafted OSPF packets. Successful exploitation requires OSPF to be enabled on an affected device on the SCALANCE XM-400, XR-500 (All versions prior to v6.4)..