CVE-2020-1607 — Junos OS: Cross-Site Scripting (XSS) in J-Web

Back Back to CVE browser

HIGH

Junos OS: Cross-Site Scripting (XSS) in J-Web

Published Jan 15, 2020

7.5

HIGH

CVSS 3.1

EPSS 0.88%

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-S10; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R1-S9, 17.2R3-S2; 17.3 versions prior to 17.3R2-S5, 17.3R3-S5; 17.4 versions prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R2-S5, 18.2R3; 18.3 versions prior to 18.3R1-S6, 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R1-S5, 18.4R2; 19.1 versions prior to 19.1R1-S2, 19.1R2.

Affected products

Vendor Juniper Networks Product Junos OS Default
n/a
- Version
  12.3
  Status
  affected
  Constraints
  <12.3R12-S15
- Version
  12.3X48
  Status
  affected
  Constraints
  <12.3X48-D86, 12.3X48-D90
- Version
  14.1X53
  Status
  affected
  Constraints
  <14.1X53-D51
- Version
  15.1
  Status
  affected
  Constraints
  <15.1R7-S5
- Version
  15.1F6
  Status
  affected
  Constraints
  <15.1F6-S13
- Version
  15.1X49
  Status
  affected
  Constraints
  <15.1X49-D181, 15.1X49-D190
- Version
  15.1X53
  Status
  affected
  Constraints
  <15.1X53-D238
- Version
  15.1X53
  Status
  affected
  Constraints
  <15.1X53-D592
- Version
  16.1
  Status
  affected
  Constraints
  <16.1R4-S13, 16.1R7-S5
- Version
  16.2
  Status
  affected
  Constraints
  <16.2R2-S10
- Version
  17.1
  Status
  affected
  Constraints
  <17.1R2-S11, 17.1R3-S1
- Version
  17.2
  Status
  affected
  Constraints
  <17.2R1-S9, 17.2R3-S2
- Version
  17.2R2
  Status
  affected
  Constraints
  -
- Version
  17.3
  Status
  affected
  Constraints
  <17.3R2-S5, 17.3R3-S5
- Version
  17.4
  Status
  affected
  Constraints
  <17.4R2-S6, 17.4R3
- Version
  18.1
  Status
  affected
  Constraints
  <18.1R3-S7
- Version
  18.2
  Status
  affected
  Constraints
  <18.2R2-S5, 18.2R3
- Version
  18.3
  Status
  affected
  Constraints
  <18.3R1-S6, 18.3R2-S1, 18.3R3
- Version
  18.4
  Status
  affected
  Constraints
  <18.4R1-S5, 18.4R2
- Version
  19.1
  Status
  affected
  Constraints
  <19.1R1-S2, 19.1R2

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Juniper Networks

Junos OS

n/a

Version	Status	Constraints
12.3	affected	<12.3R12-S15
12.3X48	affected	<12.3X48-D86, 12.3X48-D90
14.1X53	affected	<14.1X53-D51
15.1	affected	<15.1R7-S5
15.1F6	affected	<15.1F6-S13
15.1X49	affected	<15.1X49-D181, 15.1X49-D190
15.1X53	affected	<15.1X53-D238
15.1X53	affected	<15.1X53-D592
16.1	affected	<16.1R4-S13, 16.1R7-S5
16.2	affected	<16.2R2-S10
17.1	affected	<17.1R2-S11, 17.1R3-S1
17.2	affected	<17.2R1-S9, 17.2R3-S2
17.2R2	affected	-
17.3	affected	<17.3R2-S5, 17.3R3-S5
17.4	affected	<17.4R2-S6, 17.4R3
18.1	affected	<18.1R3-S7
18.2	affected	<18.2R2-S5, 18.2R3
18.3	affected	<18.3R1-S6, 18.3R2-S1, 18.3R3
18.4	affected	<18.4R1-S5, 18.4R2
19.1	affected	<19.1R1-S2, 19.1R2

Remediation

Vendor solution

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.

Metrics

0.88% 0.00881

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00881

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	0.88% (0.00881)	57.73th	v5 (v2026.06.15)
Sep 20, 2026	0.88% (0.00881)	57.57th	v5 (v2026.06.15)
Jul 20, 2024	0.11% (0.00115)	45.62th	v3 (v2023.03.01)
Jul 10, 2024	0.11% (0.00115)	45.58th	v3 (v2023.03.01)
Mar 7, 2023	0.11% (0.00115)	43.51th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Mar 31, 2022	2.56% (0.02561)	62.63th	v2 (v2022.01.01)
Jan 6, 2022	2.44% (0.02445)	54.36th	v1
Jan 5, 2022	0.56% (0.00556)	34.90th	v5 (v2026.06.15)
Apr 14, 2021	0.56% (0.00556)	0.00th	v1

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (1)

https://kb.juniper.net/JSA10986
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
https://kb.juniper.net/JSA10986		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner juniper

Published Jan 15, 2020

Updated Sep 16, 2024

Reserved Nov 4, 2019

Link CVE-2020-1607

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2020-1607

Red Hat

Severity n/a

Public date n/a

Links CVE-2020-1607