Firetruck

CVE-2017-12237

KEV
Updated Jan 12, 2026 · PUBLISHED
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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.

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Affected packages

PackageVendor / ProductVersion rangeStatus
Cisco IOS and IOS XEn/a / Cisco IOS and IOS XECisco IOS and IOS XEaffected