Cisco ASA: CVE-2024-20426: Cisco Adaptive Security Appliance and Firepower Threat Defense Software IKEv2 VPN Denial of Service Vulnerability

Cisco ASA: CVE-2024-20426: Cisco Adaptive Security Appliance and Firepower Threat Defense Software IKEv2 VPN Denial of Service Vulnerability

Severity

8

CVSS

(AV:N/AC:L/Au:N/C:N/I:N/A:C)

Published

10/23/2024

Created

10/25/2024

Added

10/24/2024

Modified

11/13/2024

Description

A vulnerability in the Internet Key Exchange version 2 (IKEv2) protocol for VPN termination of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted IKEv2 traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Solution(s)

• cisco-asa-update-latest

References

• https://attackerkb.com/topics/cve-2024-20426
• CVE - 2024-20426
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ikev2-dos-9FgEyHsF
• cisco-sa-asaftd-ikev2-dos-9FgEyHsF