cbcvebase.
CVE-2021-0237
published 2021-04-22

CVE-2021-0237: On Juniper Networks EX4300-MP Series, EX4600 Series, EX4650 Series, QFX5K Series deployed as a Virtual Chassis with a specific Layer 2 circuit configuration…

medium6.5CVSS 3.1
AVAACLPRNUINSUCNINAH
On Juniper Networks EX4300-MP Series, EX4600 Series, EX4650 Series, QFX5K Series deployed as a Virtual Chassis with a specific Layer 2 circuit configuration, Packet Forwarding Engine manager (FXPC) process may crash and restart upon receipt of specific layer 2 frames. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on EX4300-MP Series, EX4600 Series, EX4650 Series, QFX5K Series 15.1 versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R2-S13, 17.4R3-S4, 17.4R3-S5; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R2-S7, 18.4R3-S6; 19.1 versions prior to 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S1; 19.3 versions prior to 19.3R3-S1; 19.4 versions prior to 19.4R2-S4, 19.4R3-S1; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2, 20.2R3; 20.3 versions prior to 20.3R1-S2, 20.3R2;

Affected

28 ranges· showing 25
VendorProductVersion rangeFixed in
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos_os
juniperqfx_series
juniper_networksjunos_os>= 15.1 < 15.1R7-S915.1R7-S9
juniper_networksjunos_os>= 17.3 < 17.3R3-S1117.3R3-S11
juniper_networksjunos_os>= 17.4 < 17.4R2-S13, 17.4R3-S4, 17.4R3-S517.4R2-S13, 17.4R3-S4, 17.4R3-S5
juniper_networksjunos_os>= 18.2 < 18.2R3-S818.2R3-S8
juniper_networksjunos_os>= 18.3 < 18.3R3-S418.3R3-S4
juniper_networksjunos_os>= 18.4 < 18.4R2-S7, 18.4R3-S618.4R2-S7, 18.4R3-S6
juniper_networksjunos_os>= 19.1 < 19.1R3-S419.1R3-S4
juniper_networksjunos_os>= 19.2 < 19.2R1-S6, 19.2R3-S119.2R1-S6, 19.2R3-S1
juniper_networksjunos_os>= 19.3 < 19.3R3-S119.3R3-S1
juniper_networksjunos_os>= 19.4 < 19.4R2-S4, 19.4R3-S119.4R2-S4, 19.4R3-S1