CISA Known Exploited Vulnerability

CVE-2017-12237

Cisco · IOS and IOS XE Software

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

Date added 2022-03-03

BOD 22-01 due date 2022-03-24

CWE CWE-399

Ransomware Unknown

CISA 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.

Required action

Apply updates per vendor instructions.

Notes & references

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

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

RA-5 · Vulnerability Monitoring and Scanning
SI-2 · Flaw Remediation
CM-6 · Configuration Settings
SI-7 · Software, Firmware, and Information Integrity
CM-8 · System Component Inventory

External lookups

NVD · CVE-2017-12237
CVE.org · CVE-2017-12237
CISA KEV catalog (canonical)