Cisco FTD: CVE-2024-20402: Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Memory Management Denial of Service Vulnerability

Cisco FTD: CVE-2024-20402: Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Memory Management Denial of Service Vulnerability

Severity

8

CVSS

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

Published

10/23/2024

Created

02/07/2025

Added

01/29/2025

Modified

02/12/2025

Description

A vulnerability in the SSL VPN feature for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to a logic error in memory management when the device is handling SSL VPN connections. An attacker could exploit this vulnerability by sending crafted SSL/TLS packets to the SSL VPN server of the affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Solution(s)

• cisco-ftd-upgrade-latest

References

• https://attackerkb.com/topics/cve-2024-20402
• CVE - 2024-20402
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webvpn-dos-hOnB9pH4
• cisco-sa-asaftd-webvpn-dos-hOnB9pH4