Access of Memory Location After End of Buffer in Firepower 2100 Series Security Appliances and Cisco Firewall Threat Defense (FTD) - CVE-2024-20330
Published: October 25, 2024
Vulnerability identifier: #VU99341
CSH Severity: High
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-2024-20330
CWE-ID: CWE-788
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 improper memory management in the Snort 2 and Snort 3 TCP and UDP detection engine. A remote attacker can send specially crafted TCP or UDP packets and cause a denial of service (DoS) attack.
Affected software
Firepower 2100 Series Security Appliances
Cisco Firewall Threat Defense (FTD)
Cisco Firewall Threat Defense (FTD)
How to mitigate CVE-2024-20330
Install update from vendor's website.
Cisco Firewall Threat Defense (FTD) - addressed in versions 7.2.9, 7.4.2.1