#VU99338 NULL pointer dereference in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2024-20426

 

#VU99338 NULL pointer dereference in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2024-20426

Published: October 25, 2024


Vulnerability identifier: #VU99338
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2024-20426
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Adaptive Security Appliance (ASA)
Cisco Firewall Threat Defense (FTD)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Internet Key Exchange version 2 (IKEv2) protocol for VPN termination. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links