This indicates an attack attempt to exploit a Cross-Site Request Forgery Vulnerability in F5 BIG-IP iControl SOAP API.
This vulnerability is due to a design flaw allowing user to write file to any location as root. A remote attacker could exploit this vulnerability by enticing a target user into a malicious webpage. Successful exploitation could result in uploading of arbitrary script leading to remote code execution in the context of the system.
F5 BIG-IP version 17.0.0 and prior
F5 BIG-IP version 16.1.0 to version 16.1.3
F5 BIG-IP version 15.1.0 to version 15.1.8
F5 BIG-IP version 14.1.0 to version 14.1.5
F5 BIG-IP version 13.1.0 to version 13.1.5
F5 BIG-IQ Centralized Management version 8.0.0 to version 8.2.0
F5 BIG-IQ Centralized Management version 7.1.0
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.