Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2020-3555

A vulnerability in the SIP inspection process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to a watchdog timeout and crash during the cleanup of threads that are associated with a SIP connection that is being deleted from the connection list. An attacker could exploit this vulnerability by sending a high rate of crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a watchdog timeout and crash, resulting in a crash and reload of the affected device.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.1%
CVSS Severity
CVSS v3 Score 6.8
CVSS v2 Score 7.8
Products affected by CVE-2020-3555


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