CVE-2019-0041 MEDIUM

CVE-2019-0041: Junos OS: EX4300-MP Series: IP transit traffic can reach the control plane via loopback interface.

Vendor Juniper Networks
Product Junos OS
Weakness CWE-284
Published April 10, 2019
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

What the vulnerability does

01Description

On EX4300-MP Series devices with any lo0 filters applied, transit network traffic may reach the control plane via loopback interface (lo0). The device may fail to forward such traffic. This issue affects Juniper Networks Junos OS 18.2 versions prior to 18.2R1-S2, 18.2R2 on EX4300-MP Series. This issue does not affect any other EX series devices.

Key dates

02Disclosure timeline

April 10, 2019 CVE published
September 16, 2024 Record updated