Cisco ASA Software Vulnerability Allows Remote Denial of Service

CVE-2024-20426

What is CVE-2024-20426?

A vulnerability in the Internet Key Exchange version 2 (IKEv2) protocol used for VPN termination in Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) Software poses a risk of denial of service (DoS) attacks. This issue arises from insufficient input validation, allowing unauthenticated remote attackers to send specially crafted IKEv2 traffic to the affected devices. Exploiting this vulnerability may lead to device reloads, resulting in service interruptions. Organizations using these Cisco products must take immediate action to mitigate potential risks and safeguard their network operations. More details can be found in the advisory linked below.

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