Known Exploited Vulnerability: CVE-2017-12237

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

Catalog version: 2026.06.25 Date added: 2022-03-03 Due date: 2022-03-24 CISA catalog

Vendor: Cisco

Product: IOS and IOS XE Software

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2017-12237

CWEs

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