The October 2, 2019, release of the Cisco ASA, FMC, and FTD Software Security Advisory Collection includes 10 Cisco Security Advisories that describe 18 vulnerabilities in Cisco ASA Software, Cisco FMC Software, and Cisco FTD Software. Cisco has released software updates that address these vulnerabilities.All of the vulnerabilities have a Security Impact Rating (SIR) of High. Successful exploitation of the vulnerabilities could allow an attacker to gain unauthorized access, gain elevated privileges, execute arbitrary commands, or cause a denial of service (DoS) condition on an affected device.Four of the vulnerabilities affect both Cisco ASA Software and Cisco FTD Software, 12 of the vulnerabilities affect Cisco FMC Software, one of the vulnerabilities affects Cisco ASA Software, and one of the vulnerabilities affects Cisco FTD Software.