CVE-2017-12237

CVE-2017-12237 affects Cisco IOS (15.0–15.6) and IOS XE (3.5–16.5) with ISAKMP enabled. The IKEv2 module is vulnerable to unauthenticated remote probes via specific IKEv2 packets, allowing high CPU utilization, traceback messages, or device reloads that cause DoS. Affected devices need ISAKMP to ...