The company started warning its users, every user who issued the “request system software” command with the “partition” option is affected by the issue.The failure of the system updateleaves it in a state where root CLI login is allowed without a password. The problemaffectsany system upgraded from Junos OS prior to 12.1X46-D65.When the system upgrade fails, the system goes into a “safe mode” designed to allow a sysadmin to access it and solve the problem.
This implies that a root login without a password is available.
“Using the ‘
request system software‘ command with the ‘
partition‘ option on an SRX Series device upgrading from Junos OS releases prior to 12.1X46-D65 can leave the system in a state where root CLI login is allowed without a password due to the system reverting to a “safe mode” authentication triggered by the failed upgrade....(continued)