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CVE-2020-1619

Junos OS: QFX10K Series, EX9200 Series, MX Series, PTX Series: Privilege escalation vulnerability in NG-RE.

Medium6.0EPSS 0.32%
Published
Updated
Reserved
Assigned by
juniper

Description

A privilege escalation vulnerability in Juniper Networks QFX10K Series, EX9200 Series, MX Series, and PTX Series with Next-Generation Routing Engine (NG-RE), allows a local authenticated high privileged user to access the underlying WRL host. This issue only affects QFX10K Series with NG-RE, EX9200 Series with NG-RE, MX Series with NG-RE and PTX Series with NG-RE; which uses vmhost. This issue affects Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S6; 16.2 versions prior to 16.2R2-S11; 17.1 versions prior to 17.1R2-S11, 17.1R3; 17.2 versions prior to 17.2R1-S9, 17.2R3-S3; 17.3 versions prior to 17.3R2-S5, 17.3R3-S7; 17.4 versions prior to 17.4R2-S7, 17.4R3; 18.1 versions prior to 18.1R3-S4; 18.2 versions prior to 18.2R3; 18.2X75 versions prior to 18.2X75-D50; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R2. To identify whether the device has NG-RE with vmhost, customer can run the following command: > show vmhost status Compute cluster: rainier-re-cc Compute Node: rainier-re-cn, Online If the "show vmhost status" is not supported, then the device does not have NG-RE with vmhost.

Timeline

  1. ID reserved

    By juniper

  2. · 5 months later

    Published

  3. · 4 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2020-1619, by who scored it
Scored byCVSSScoreVector
juniperCNA (assigner)3.1Medium6.0CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
NVDNVD · Modified3.1Medium6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.32% · top 74% of all CVEs (7 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.0.

Weakness

Affected products

  • Juniper Networks · Junos OS

    • affected 16.1 – < 16.1R7-S6
    • affected 16.2 – < 16.2R2-S11
    • affected 17.1 – < 17.1R2-S11, 17.1R3
    • affected 17.2 – < 17.2R1-S9, 17.2R3-S3
    • affected 17.3 – < 17.3R2-S5, 17.3R3-S7
    • affected 17.4 – < 17.4R2-S7, 17.4R3
    • affected 18.1 – < 18.1R3-S4
    • affected 18.2 – < 18.2R3
    • affected 18.2X75 – < 18.2X75-D50
    • affected 18.3 – < 18.3R2
    • affected 18.4 – < 18.4R2

What to do

Solution: The following software releases have been updated to resolve this specific issue: 16.1R7-S6, 16.2R2-S11, 17.1R2-S11, 17.1R3, 17.2R1-S9, 17.2R3-S3, 17.3R2-S5, 17.3R3-S7, 17.4R2-S7, 17.4R3, 18.1R3-S4, 18.2R3, 18.2X75-D50, 18.3R2, 18.4R2, 19.1R1 and all subsequent releases.

Workaround: There are no available workarounds for this issue.

Exploitation: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .