FAQs about Internet Key Exchange Vulnerabilities

What’s Internet Key Exchange?

In computing, Internet Key Exchange (IKEv1) is a protocol establishing a secure channel of communication and security associations in the IPSec protocol suite and other protocol suites that encrypt network communications.

How can vulnerabilities in IKEv1 affect my computer or device?

A vulnerability in IKEv1 data packets being processed in Cisco IOS, Cisco IOS XE or Cisco IOS XR software could allow an unauthenticated remote attacker to retrieve memory contents, which would ultimately lead to the disclosure of confidential information. Learn more about these vulnerabilities here.

How can I avoid these vulnerabilities?

Administrators are advised to implement an intrusion prevention system (IPS) or intrusion detection system (IDS) to help detect and prevent attacks that attempt to exploit this vulnerability.