Juniper Junos 12.1X44/12.1X46/12.1X47/12.3X48/15.1X49 on SRX privilege escalation

A vulnerability, which was classified as critical, has been found in Juniper Junos 12.1X44/12.1X46/12.1X47/12.3X48/15.1X49 on SRX (Router Operating System). Affected by this issue is an unknown functionality. Upgrading to version 12.1X44-D60, 12.1X46 prior to 12.1X46-D50, 12.1X47 prior to 12.1X47-D30, 12.1X47-D35, 12.3X48 prior to 12.3X48-D20, 12.3X48-D30, 15.1X49 prior to 15.1X49-D20 or 15.1X49-D30 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.