CVE-2019-0074

CVE-2019-0074 is a medium-severity vulnerability in Juniper Junos with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Description

A path traversal vulnerability in NFX150 Series and QFX10K Series, EX9200 Series, MX Series and PTX Series devices with Next-Generation Routing Engine (NG-RE) allows a local authenticated user to read sensitive system files. This issue only affects NFX150 Series and QFX10K Series, EX9200 Series, MX Series and PTX Series with Next-Generation Routing Engine (NG-RE) which uses vmhost. This issue affects Juniper Networks Junos OS on NFX150 Series and QFX10K, EX9200 Series, MX Series and PTX Series with NG-RE and vmhost: 15.1F versions prior to 15.1F6-S12 16.1 versions starting from 16.1R6 and later releases, including the Service Releases, prior to 16.1R6-S6, 16.1R7-S3; 17.1 versions prior to 17.1R3; 17.2 versions starting from 17.2R1-S3, 17.2R3 and later releases, including the Service Releases, prior to 17.2R3-S1; 17.3 versions starting from 17.3R1-S1, 17.3R2 and later releases, including the Service Releases, prior to 17.3R3-S3; 17.4 versions starting from 17.4R1 and later releases, including the Service Releases, prior to 17.4R1-S6, 17.4R2-S2, 17.4R3; 18.1 versions prior to 18.1R2-S4, 18.1R3-S3; 18.2 versions prior to 18.2R2; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R1-S2, 18.3R2; 18.4 versions prior to 18.4R1-S1, 18.4R2. This issue does not affect: Juniper Networks Junos OS 15.1 and 16.2.

Frequently asked questions

What is CVE-2019-0074?
A path traversal vulnerability in NFX150 Series and QFX10K Series, EX9200 Series, MX Series and PTX Series devices with Next-Generation Routing Engine (NG-RE) allows a local authenticated user to read sensitive system files. This issue only affects NFX150 Series and QFX10K Series, EX9200 Series, MX Series and PTX Series with Next-Generation Routing Engine (NG-RE) which uses vmhost. This issue affects Juniper Networks Junos OS on NFX150 Series and QFX10K, EX9200 Series, MX Series and PTX Series with NG-RE and vmhost: 15.1F versions prior to 15.1F6-S12 16.1 versions starting from 16.1R6 and later releases, including the Service Releases, prior to 16.1R6-S6, 16.1R7-S3; 17.1 versions prior to 17.1R3; 17.2 versions starting from 17.2R1-S3, 17.2R3 and later releases, including the Service Releases, prior to 17.2R3-S1; 17.3 versions starting from 17.3R1-S1, 17.3R2 and later releases, including the Service Releases, prior to 17.3R3-S3; 17.4 versions starting from 17.4R1 and later releases, including the Service Releases, prior to 17.4R1-S6, 17.4R2-S2, 17.4R3; 18.1 versions prior to 18.1R2-S4, 18.1R3-S3; 18.2 versions prior to 18.2R2; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R1-S2, 18.3R2; 18.4 versions prior to 18.4R1-S1, 18.4R2. This issue does not affect: Juniper Networks Junos OS 15.1 and 16.2.
How severe is CVE-2019-0074?
CVE-2019-0074 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-0074 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0074?
CVE-2019-0074 primarily affects Juniper Junos. In total, 60 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0074?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-0074 published?
CVE-2019-0074 was published on 2019-10-09 and last updated on 2026-06-17.

References

Affected products (60)

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