CVE detail

CVE-2019-0047 — CVE-2019-0047

Published 2019-10-09 · Modified 2026-06-17 · Vendor juniper · Product junos · Source nvd
HIGH
severity
CVSS-derived band
8.8
CVSS v3
0–10 scale
0.0156
EPSS probability
exploitation probability, 30d
73.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog

Description

A persistent Cross-Site Scripting (XSS) vulnerability in Junos OS J-Web interface may allow remote unauthenticated attackers to perform administrative actions on the Junos device. Successful exploitation requires a Junos administrator to first perform certain diagnostic actions on J-Web. This issue affects: Juniper Networks Junos OS 12.1X46 versions prior to 12.1X46-D86; 12.3 versions prior to 12.3R12-S13; 12.3X48 versions prior to 12.3X48-D80; 14.1X53 versions prior to 14.1X53-D51; 15.1 versions prior to 15.1F6-S13, 15.1R7-S4; 15.1X49 versions prior to 15.1X49-D171, 15.1X49-D180; 15.1X53 versions prior to 15.1X53-D497, 15.1X53-D69; 16.1 versions prior to 16.1R7-S5; 16.2 versions prior to 16.2R2-S9; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R1-S8, 17.2R2-S7, 17.2R3-S1; 17.3

Remediation

vendor remediation guidance

The following software releases have been updated to resolve this specific issue: 12.1X46-D86, 12.3R12-S13, 12.3X48-D80, 14.1X53-D51, 15.1F6-S13, 15.1R7-S4, 15.1X49-D171, 15.1X49-D180, 15.1X53-D497, 15.1X53-D69, 16.1R7-S5, 16.2R2-S9, 17.1R3, 17.2R1-S8, 17.2R2-S7, 17.2R3-S1, 17.3R3-S6, 17.4R1-S7, 17.4R2-S4, 17.4R3, 18.1R3-S5, 18.2R1-S5, 18.2R2-S3, 18.2R3, 18.3R1-S3, 18.3R2, 18.4R1-S2, 18.4R2, 19.1R1, and all subsequent releases.

workarounds

Disable J-Web. Limit access to the Junos device to only trusted hosts and networks.

ProductVulnerable rangeFixed versionAdvisory
Juniper Networks Junos OS>=12.1X46<12.1X46-D8612.1X46-D86advisory ↗
Juniper Networks Junos OS>=12.3<12.3R12-S1312.3R12-S13advisory ↗
Juniper Networks Junos OS>=12.3X48<12.3X48-D8012.3X48-D80advisory ↗
Juniper Networks Junos OS>=14.1X53<14.1X53-D5114.1X53-D51advisory ↗
Juniper Networks Junos OS>=15.1<15.1F6-S13, 15.1R7-S415.1F6-S13, 15.1R7-S4advisory ↗
Juniper Networks Junos OS>=15.1X49<15.1X49-D171, 15.1X49-D18015.1X49-D171, 15.1X49-D180advisory ↗
Juniper Networks Junos OS>=15.1X53<15.1X53-D497, 15.1X53-D6915.1X53-D497, 15.1X53-D69advisory ↗
Juniper Networks Junos OS>=16.1<16.1R7-S516.1R7-S5advisory ↗
Juniper Networks Junos OS>=16.2<16.2R2-S916.2R2-S9advisory ↗
Juniper Networks Junos OS>=17.1<17.1R317.1R3advisory ↗
Juniper Networks Junos OS>=17.2<17.2R1-S8, 17.2R2-S7, 17.2R3-S117.2R1-S8, 17.2R2-S7, 17.2R3-S1advisory ↗
Juniper Networks Junos OS>=17.3<17.3R3-S617.3R3-S6advisory ↗
Juniper Networks Junos OS>=17.4<17.4R1-S7, 17.4R2-S4, 17.4R317.4R1-S7, 17.4R2-S4, 17.4R3advisory ↗
Juniper Networks Junos OS>=18.1<18.1R3-S518.1R3-S5advisory ↗
Juniper Networks Junos OS>=18.2<18.2R1-S5, 18.2R2-S3, 18.2R318.2R1-S5, 18.2R2-S3, 18.2R3advisory ↗
Juniper Networks Junos OS>=18.3<18.3R1-S3, 18.3R2, 18.3R318.3R1-S3, 18.3R2, 18.3R3advisory ↗
Juniper Networks Junos OS>=18.4<18.4R1-S2, 18.4R218.4R1-S2, 18.4R2advisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.