CVE-2021-0246 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L

Reference

https://kb.juniper.net/JSA11139

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

HIGH

Base Score

LOW

Base Severity

7.3