Cisco IOS and IOS XE Software Internet Key Exchange Denial-of-Service Vulnerability
CISA lists this Cisco IOS and IOS XE Software vulnerability as known exploited. The vendor's advisory has the fixed versions.
CISA catalog record
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.
- Product
- IOS and IOS XE Software
- Added to KEV
- 3 Mar 2022
- Federal remediation due
- 24 Mar 2022
- Known ransomware use
- Not reported
What changed
First observed 14 Oct 2026No field changes in the recorded history.
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