Alert! Cisco Releases Critical Security Updates To Fix 2 ASA Firewall 0-Days


Cisco has released critical security updates to address multiple vulnerabilities in its Adaptive Security Appliance (ASA) devices and Firepower Threat Defense (FTD) software, collectively known as the “ArcaneDoor” vulnerabilities.

If exploited, these vulnerabilities could allow a cyber threat actor to take control of an affected system.

The Cybersecurity and Infrastructure Security Agency (CISA) has added two vulnerabilities to its Known Exploited Vulnerabilities Catalog, indicating active exploitation in the wild.

Recently, GBHackers on Security reported that a sophisticated cyber espionage campaign dubbed “ArcaneDoor” conducted by a state-sponsored threat actor tracked as UAT4356 to exploit these 2 zero-day vulnerabilities (CVE-2024-20353 and CVE-2024-20359) in Cisco’s Adaptive Security Appliance (ASA) firewalls.

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