3.3
CVSSv2

CVE-2020-1689

Published: 16/10/2020 Updated: 01/01/2022
CVSS v2 Base Score: 3.3 | Impact Score: 2.9 | Exploitability Score: 6.5
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 294
Vector: AV:A/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

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 before 17.3R3-S9; 17.4 versions before 17.4R2-S11, 17.4R3-S2, 17.4R3-S3; 18.1 versions before 18.1R3-S11; 18.2 versions before 18.2R3-S5; 18.3 versions before 18.3R2-S4, 18.3R3-S3; 18.4 versions before 18.4R2-S5, 18.4R3-S4; 19.1 versions before 19.1R3-S2; 19.2 versions before 19.2R1-S5, 19.2R3; 19.3 versions before 19.3R2-S4, 19.3R3; 19.4 versions before 19.4R1-S3, 19.4R2-S1, 19.4R3; 20.1 versions before 20.1R1-S3, 20.1R2.

Vulnerability Trend

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juniper junos 17.3

juniper junos 17.4

juniper junos 18.1

juniper junos 18.2

juniper junos 18.3

juniper junos 18.4

juniper junos 19.1

juniper junos 19.2

juniper junos 19.3

juniper junos 19.4

juniper junos 20.1