title: Junos OS: SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3: In a multi-tenant environment, a tenant host administrator may be able to jailbreak out of their network impacting other tenant networks or gather information from other networks.
description: On SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3, devices using tenant services on Juniper Networks Junos OS, due to incorrect default permissions assigned to tenant system administrators a tenant system administrator may inadvertently send their network traffic to one or more tenants while concurrently modifying the overall device system traffic management, affecting all tenants and the service provider. Further, a tenant may inadvertently receive traffic from another tenant. This issue affects: Juniper Networks Junos OS 18.3 version 18.3R1 and later versions on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2; 18.3 versions prior to 18.3R3 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2; 18.4 versions prior to 18.4R2 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3; 19.1 versions prior to 19.1R2 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3. This issue does not affect: Juniper Networks Junos OS versions prior to 18.3R1.
problem types: Jailbreak
affected:
{
platforms: SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3
product: Junos OS
vendor: Juniper Networks
versions:
lessThan: 18.3R1, status: unaffected, version: unspecified, versionType: custom
lessThan: 18.4R2, status: affected, version: 18.4, versionType: custom
lessThan: 19.1R2, status: affected, version: 19.1, versionType: custom
}
{
platforms: SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2
product: Junos OS
vendor: Juniper Networks
versions:
changes: [at: 18.3R3, status: unaffected], lessThan: 18.3*, status: affected, version: 18.3R1, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: LOW
baseScore: 7.3
baseSeverity: HIGH
confidentialityImpact: LOW
integrityImpact: HIGH
privilegesRequired: HIGH
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L
version: 3.1
]
exploits: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
solutions: The following software releases have been updated to resolve this specific issue: Junos OS: 18.3R3, 18.4R2, 19.1R2, 19.2R1, and all subsequent releases.
workarounds: There are no known workarounds for this issue.