CVE-2024-20353 and CVE-2024-20359: Cisco ASA and FTD Vulnerabilities Exploited by State-Sponsored Threat Actor in Espionage Campaign "ArcaneDoor"
On April 24, 2024, Cisco Talos and several government security agencies published details on a sophisticated threat campaign focused on espionage and gaining unauthorized access to sensitive information from targeted government entities and organizations in critical infrastructure. As part of that publication, Cisco disclosed CVE-2024-20353 and CVE-2024-20359, affecting Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) devices, which were actively exploited in the documented campaign.