Provide references for CVE-2019-1854.
Where can I find more information about CVE-2019-1854?
References are available at: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-expressway-traversal, http://www.securityfocus.com/bid/108154, http://seclists.org/fulldisclosure/2019/May/28, https://seclists.org/bugtraq/2019/May/49, http://packetstormsecurity.com/files/152963/Cisco-Expressway-Gateway-11.5.1-Directory-Traversal.html.