High
This vulnerability allows for unauthenticated attackers, or authenticated users, with network access to the TMUI, through the BIG-IP management port and/or Self IPs, to execute arbitrary system commands, create or delete files, disable services, and/or execute arbitrary Java code. This vulnerability may result in complete system compromise. The BIG-IP system in Appliance mode is also vulnerable. This issue is not exposed on the data plane; only the control plane is affected.
An attacker can exploit this vulnerability to run JavaScript in the context of the currently logged-in user. In the case of an administrative user with access to the Advanced Shell (bash), successful exploitation of this vulnerability can be leveraged to completely compromise the BIG-IP system through Remote Code Execution.
System compromise
F5
BIG-IP
Refer to F5 advisory for the list of affected products and respective patches.