A AegiFlow
UNKNOWNKNOWN EXPLOITED

CVE-2017-12237

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

Published
2022-03-03
Modified
2026-07-31
Sources
cisa-kev

Summary

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.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.