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

published 2019-10-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-0880

cvss: 6.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Juniper Networks Junos OS 15.1X49-D180, 17.3R3-S7, 17.4R2-S8, 17.4R3, 18.1R3-S8, 18.2R3, 18.3R2, 18.4R2

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.6	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
NVD	3.1	7.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

Juniper Networks Junos OS

Classification

Weakness

CWE-732 Incorrect Permission Assignment for Critical Resource
CWE-281 Improper Preservation of Permissions

References

kb.juniper.net /JSA10974
vendor-advisory

Sources

CVE List CVE-2019-0073
NVD CVE-2019-0073

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary