cbcvebase.
CVE-2020-1689
published 2020-10-16

CVE-2020-1689: On Juniper Networks EX4300-MP Series, EX4600 Series and QFX5K Series deployed in a Virtual Chassis configuration, receipt of a stream of specific layer 2…

medium6.5CVSS 3.1
AVAACLPRNUINSUCNINAH
On Juniper Networks EX4300-MP Series, EX4600 Series and QFX5K Series deployed in a Virtual Chassis configuration, receipt of a stream of specific layer 2 frames can cause high CPU load, which could lead to traffic interruption. This issue does not occur when the device is deployed in Stand Alone configuration. The offending layer 2 frame packets can originate only from within the broadcast domain where the device is connected. This issue affects Juniper Networks Junos OS on EX4300-MP Series, EX4600 Series and QFX5K Series: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S5; 18.3 versions prior to 18.3R2-S4, 18.3R3-S3; 18.4 versions prior to 18.4R2-S5, 18.4R3-S4; 19.1 versions prior to 19.1R3-S2; 19.2 versions prior to 19.2R1-S5, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S1, 19.4R3; 20.1 versions prior to 20.1R1-S3, 20.1R2.

Affected

24 ranges
VendorProductVersion rangeFixed in
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos_os
juniperqfx_series
juniper_networksjunos_os>= 17.3 < 17.3R3-S917.3R3-S9
juniper_networksjunos_os>= 17.4 < 17.4R2-S11, 17.4R3-S2, 17.4R3-S317.4R2-S11, 17.4R3-S2, 17.4R3-S3
juniper_networksjunos_os>= 18.1 < 18.1R3-S1118.1R3-S11
juniper_networksjunos_os>= 18.2 < 18.2R3-S518.2R3-S5
juniper_networksjunos_os>= 18.3 < 18.3R2-S4, 18.3R3-S318.3R2-S4, 18.3R3-S3
juniper_networksjunos_os>= 18.4 < 18.4R2-S5, 18.4R3-S418.4R2-S5, 18.4R3-S4
juniper_networksjunos_os>= 19.1 < 19.1R3-S219.1R3-S2
juniper_networksjunos_os>= 19.2 < 19.2R1-S5, 19.2R319.2R1-S5, 19.2R3
juniper_networksjunos_os>= 19.3 < 19.3R2-S4, 19.3R319.3R2-S4, 19.3R3
juniper_networksjunos_os>= 19.4 < 19.4R1-S3, 19.4R2-S1, 19.4R319.4R1-S3, 19.4R2-S1, 19.4R3
juniper_networksjunos_os>= 20.1 < 20.1R1-S3, 20.1R220.1R1-S3, 20.1R2