CVE-2021-1573

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper input validation when parsing HTTPS requests. An attacker could exploit this vulnerability by sending a malicious HTTPS request to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

• cisco adaptive security appliance (<= 9.7) • cisco secure firewall threat defense (<= 6.2.2) • cisco secure firewall threat defense (>= 6.2.3 < 6.4.0.13) • cisco secure firewall threat defense (>= 6.5.0 < 6.6.5) • cisco secure firewall threat defense (>= 6.7.0 < 6.7.0.3) • cisco secure firewall threat defense 7.0.0 • cisco adaptive security appliance software (>= 9.8 < 9.8.4.40) • cisco adaptive security appliance software (>= 9.9 < 9.12.4.26) • cisco adaptive security appliance software (>= 9.13 < 9.14.3) • cisco adaptive security appliance software (>= 9.15 < 9.15.1.17) • cisco adaptive security appliance software (>= 9.16 < 9.16.1.28)