What is CVE-2019-0041?

CVE-2019-0041 is a high-severity vulnerability in Juniper Ex4300-Mp, classified under Improper Access Control. CVSS score: 8.6/10. Published 2019-04-10.

How severe is CVE-2019-0041?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Juniper Ex4300-Mp

CVE-2019-0041

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.

EPSS: 0.009 (55.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Juniper Ex4300-mp
Juniper Junos — versions 18.2
Juniper Networks Junos Os — versions 18.2

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

sirt@juniper.net (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2019-0041?: CVE-2019-0041 is a high-severity vulnerability in Juniper Ex4300-Mp, classified under Improper Access Control. CVSS score: 8.6/10. Published 2019-04-10.
How severe is CVE-2019-0041?: High severity. CVSS v3 base score is 8.6 out of 10.