Apache struts seems a instigator on Equifax data breach incident. An announced by US Homeland security this week to urge IT guy staying alert on New found Apache Struts vulnerability again (see below URL). My comments on this vulnerability is that it expand the attack space or vector . Why? Are you familiar with REST client. It reproduce a new playground for hacker since it is allow to start the attack to Apache Strust product on mobile phone.  We noticed that Cisco products are also the Struts users (see below)

Vulnerability detail (see below):

https://tools.cisco.com/security/center/viewAlert.x?alertId=56116&vs_f=Alert%20RSS&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Apache%20Struts%20REST%20Plugin%20JSON%20Library%20Denial%20of%20Service%20Vulnerability&vs_k=1

Cisco products are also the Struts users (see below)

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170909-struts2-rce