Resource exhaustion in FirePOWER Services and Cisco Firewall Threat Defense (FTD) - CVE-2024-20351
Published: October 23, 2024
Vulnerability identifier: #VU99288
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2024-20351
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources in the TCP/IP traffic handling function of the Snort Detection Engine. A remote attacker can send a large amount of TCP/IP network traffic through the affected device, trigger resource exhaustion and perform a denial of service (DoS) attack.
Note, this vulnerability affects Cisco products if they are running a vulnerable release of Cisco FTD Software or Cisco FirePOWER Services and have either Snort 2 or Snort 3 enabled.
Affected software
FirePOWER Services
Cisco Firewall Threat Defense (FTD)
Cisco Firewall Threat Defense (FTD)
How to mitigate CVE-2024-20351
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..
Cisco Firewall Threat Defense (FTD) - addressed in versions 7.0.6.2, 7.2.6, 7.4.1, 7.6.0