CVSS 3.1 Score 8.6 of 10 (high)


Published Nov 1, 2023
Updated: Jan 25, 2024
CWE ID 771


CVE-2023-20244 is a vulnerability in the internal packet processing of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series Firewalls. It can be exploited by an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is a result of improper handling of certain packets sent to the inspection engine. To remediate this vulnerability, users should apply the necessary updates and patches provided by Cisco. If successfully exploited, this vulnerability could lead to traffic loss across the device or unexpected reloads, requiring manual recovery.

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