cisco-sa-ftd-accesslist-bypass-5dZs5qZp: Cisco Firepower Threat Defense Software Management Access List Bypass Vulnerability

First published: Wed May 06 2020(Updated: )

A vulnerability in the management access list configuration of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass a configured management interface access list on an affected system. The vulnerability is due to the configuration of different management access lists, with ports allowed in one access list and denied in another. An attacker could exploit this vulnerability by sending crafted remote management traffic to the local IP address of an affected system. A successful exploit could allow the attacker to bypass the configured management access list policies, and traffic to the management interface would not be properly denied. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-accesslist-bypass-5dZs5qZp

Credit: This vulnerability was found during the resolution a Cisco TAC support case

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