title: Junos OS: VM to host privilege escalation in platforms with Junos OS running in a virtualized environment.
description: An insufficient authentication vulnerability on platforms where Junos OS instances are run in a virtualized environment, may allow unprivileged users on the Junos OS instance to gain access to the host operating environment, and thus escalate privileges. Affected releases are Juniper Networks Junos OS 14.1X53 prior to 14.1X53-D40 on QFX5110, QFX5200, QFX10002, QFX10008, QFX10016, EX4600 and NFX250; 15.1 prior to 15.1R5 on EX4600; 15.1X49 prior to 15.1X49-D70 on vSRX, SRX1500, SRX4100, SRX4200; 16.1 prior to 16.1R2 on EX4600, ACX5000 series. This issue does not affect vMX. No other Juniper Networks products or platforms are affected by this issue.
problem types: insufficient authentication vulnerability
affected:
{
platforms: QFX5110, QFX5200, QFX10002, QFX10008, QFX10016, EX4600 and NFX250
product: Junos OS
vendor: Juniper Networks
versions:
status: affected, version: 14.1X53 prior to 14.1X53-D40
}
{
platforms: EX4600
product: Junos OS
vendor: Juniper Networks
versions:
status: affected, version: 15.1 prior to 15.1R5
}
{
platforms: vSRX, SRX1500, SRX4100, SRX4200
product: Junos OS
vendor: Juniper Networks
versions:
status: affected, version: 15.1X49 prior to 15.1X49-D70
}
{
platforms: EX4600, ACX5000 series
product: Junos OS
vendor: Juniper Networks
versions:
status: affected, version: 16.1 prior to 16.1R2
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
version: 3.0
]
workarounds: Running Junos OS in FIPS mode eliminates this vulnerability.