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CVE-2017-12237

Cisco IOS and IOS XE Software Internet Key Exchange Denial-of-Service Vulnerability

Description

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS and Cisco IOS XE could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of service.

Recommended action

Apply updates per vendor instructions.

CISA remediation due date for U.S. federal agencies: 24 Mar 2022.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.