CVE detail

CVE-2020-1607 — CVE-2020-1607

Published 2020-01-15 · Modified 2026-06-17 · Vendor juniper · Product junos · Source nvd
HIGH
severity
CVSS-derived band
7.5
CVSS v3
0–10 scale
0.0088
EPSS probability
exploitation probability, 30d
56.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog

Description

Insufficient Cross-Site Scripting (XSS) protection in J-Web may potentially allow a remote attacker to inject web script or HTML, hijack the target user's J-Web session and perform administrative actions on the Junos device as the targeted user. This issue affects Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S15; 12.3X48 versions prior to 12.3X48-D86, 12.3X48-D90 on SRX Series; 14.1X53 versions prior to 14.1X53-D51 on EX and QFX Series; 15.1F6 versions prior to 15.1F6-S13; 15.1 versions prior to 15.1R7-S5; 15.1X49 versions prior to 15.1X49-D181, 15.1X49-D190 on SRX Series; 15.1X53 versions prior to 15.1X53-D238 on QFX5200/QFX5110 Series; 15.1X53 versions prior to 15.1X53-D592 on EX2300/EX3400 Series; 16.1 versions prior to 16.1R4-S13, 16.1R7-S5; 16.2 versions prior to 16.2R2-S1

Remediation

vendor remediation guidance

The following software releases have been updated to resolve this specific issue: 12.3R12-S15, 12.3X48-D86, 12.3X48-D90, 14.1X53-D51, 15.1F6-S13,15.1R7-S5, 15.1X49-D181, 15.1X49-D190, 15.1X53-D238, 15.1X53-D592, 16.1R4-S13, 16.1R7-S5, 16.2R2-S10,17.1R2-S11, 17.1R3-S1, 17.2R1-S9, 17.2R3-S2, 17.3R2-S5, 17.3R3-S5, 17.4R2-S6, 17.4R3, 18.1R3-S7,18.2R2-S5, 18.2R3, 18.3R1-S6, 18.3R2-S1, 18.3R3, 18.4R1-S5, 18.4R2, 19.1R1-S2, 19.1R2, 19.2R1, and all subsequent releases.

workarounds

Access the J-Web service from trusted hosts which may not be compromised by cross-site scripting attacks, for example, deploying jump hosts with no internet access. Alternatively, disable J-Web.

ProductVulnerable rangeFixed versionAdvisory
Juniper Networks Junos OS>=12.3<12.3R12-S1512.3R12-S15advisory ↗
Juniper Networks Junos OS>=12.3X48<12.3X48-D86, 12.3X48-D9012.3X48-D86, 12.3X48-D90advisory ↗
Juniper Networks Junos OS>=14.1X53<14.1X53-D5114.1X53-D51advisory ↗
Juniper Networks Junos OS>=15.1F6<15.1F6-S1315.1F6-S13advisory ↗
Juniper Networks Junos OS>=15.1<15.1R7-S515.1R7-S5advisory ↗
Juniper Networks Junos OS>=15.1X49<15.1X49-D181, 15.1X49-D19015.1X49-D181, 15.1X49-D190advisory ↗
Juniper Networks Junos OS>=15.1X53<15.1X53-D23815.1X53-D238advisory ↗
Juniper Networks Junos OS>=15.1X53<15.1X53-D59215.1X53-D592advisory ↗
Juniper Networks Junos OS>=16.1<16.1R4-S13, 16.1R7-S516.1R4-S13, 16.1R7-S5advisory ↗
Juniper Networks Junos OS>=16.2<16.2R2-S1016.2R2-S10advisory ↗
Juniper Networks Junos OS>=17.1<17.1R2-S11, 17.1R3-S117.1R2-S11, 17.1R3-S1advisory ↗
Juniper Networks Junos OS>=17.2<17.2R1-S9, 17.2R3-S217.2R1-S9, 17.2R3-S2advisory ↗
Juniper Networks Junos OS>=17.3<17.3R2-S5, 17.3R3-S517.3R2-S5, 17.3R3-S5advisory ↗
Juniper Networks Junos OS>=17.4<17.4R2-S6, 17.4R317.4R2-S6, 17.4R3advisory ↗
Juniper Networks Junos OS>=18.1<18.1R3-S718.1R3-S7advisory ↗
Juniper Networks Junos OS>=18.2<18.2R2-S5, 18.2R318.2R2-S5, 18.2R3advisory ↗
Juniper Networks Junos OS>=18.3<18.3R1-S6, 18.3R2-S1, 18.3R318.3R1-S6, 18.3R2-S1, 18.3R3advisory ↗
Juniper Networks Junos OS>=18.4<18.4R1-S5, 18.4R218.4R1-S5, 18.4R2advisory ↗
Juniper Networks Junos OS>=19.1<19.1R1-S2, 19.1R219.1R1-S2, 19.1R2advisory ↗

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.