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CVE-2019-0073

Junos OS: PKI key pairs are exported with insecure file permissions

Medium6.6EPSS 0.29%
Published
Updated
Reserved
Assigned by
juniper

Description

The PKI keys exported using the command "run request security pki key-pair export" on Junos OS may have insecure file permissions. This may allow another user on the Junos OS device with shell access to read them. This issue affects: Juniper Networks Junos OS 15.1X49 versions prior to 15.1X49-D180; 17.3 versions prior to 17.3R3-S7; 17.4 versions prior to 17.4R2-S8, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R2.

Scores

CVSS scores of CVE-2019-0073, by who scored it
Scored byCVSSScoreVector
juniperCNA (assigner)3.1Medium6.6CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
NVDNVD · Modified3.1High7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS (exploitation in 30 days)
0.29% · top 79% of all CVEs (5 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.6.

Weakness

Affected products

  • Juniper Networks · Junos OS

    • affected 15.1X49 – < 15.1X49-D180
    • affected 17.3 – < 17.3R3-S7
    • affected 17.4 – < 17.4R2-S8, 17.4R3
    • affected 18.1 – < 18.1R3-S8
    • affected 18.2 – < 18.2R3
    • 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: 15.1X49-D180, 17.3R3-S7*, 17.4R2-S8, 17.4R3*, 18.1R3-S8*, 18.2R3, 18.3R2, 18.4R2, 19.1R1, and all subsequent releases. *pending release.

Workaround: Do not use directories readable by other users (such as /tmp) while exporting PKI keys. Limit access to the Junos OS device to only trusted administrators.

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 .