CVE-2021-34793 — Cisco Adaptive_security_appliance: A vulnerability in the TCP Normalizer of Cisco Adaptive Security Appliance (ASA) Software and
A vulnerability in the TCP Normalizer of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software operating in transparent mode could allow an unauthenticated, remote attacker to poison MAC address tables, resulting in a denial of service (DoS) vulnerability. This vulnerability is due to incorrect handling of certain TCP segments when the affected device is operating in transparent mode. An attacker could exploit this vulnerability by sendi CVSSv3.1 8.6 (HIGH) · EPSS 48th percentile