Input validation error in Firepower 2100 Series Firewalls and Cisco Firewall Threat Defense (FTD) - CVE-2023-20244

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU82678

Input validation error in Firepower 2100 Series Firewalls and Cisco Firewall Threat Defense (FTD) - CVE-2023-20244

Published: November 2, 2023


Vulnerability identifier: #VU82678
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-2023-20244
CWE-ID: CWE-20
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 handling of certain packets when they are sent to the inspection engine. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Affected software

Firepower 2100 Series Firewalls
Cisco Firewall Threat Defense (FTD)

How to mitigate CVE-2023-20244

Install updates from vendor's website.

Cisco Firewall Threat Defense (FTD) - addressed in versions 9.12.4.58, 9.16.4.19, 9.16.4.27, 9.18.3.39, 9.18.3.46, 9.19.1.12

External References

Related Security Bulletins