Juniper ScreenOS backdoor: the attack demystified

Juniper Networks is a multinational corporation headquartered in Sunnyvale, California that develops and markets networking products. Its products include routers, switches, network management software, network security products and software-defined networking technology. On 18th December 2015 a critical vulnerability (CVE-2015-7755) affecting ScreenOS 6.3.0r17 through 6.3.0r20 was disclosed. The impact is huge because many routers and switches are powered by Juniper ScreenOS. …