01 Record

CVE-2020-1628

Junos OS: EX4300: Traffic from the network internal to the device (128.0.0.0) may be forwarded to egress interfaces

MediumPUBLISHEDCNA: juniper

CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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02 Description

Junos OS: EX4300: Traffic from the network internal to the device (128.0.0.0) may be forwarded to egress interfaces

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.29% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 69.7% of scored records. A rank, not a probability.
NVD base score: 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2020-04-08 19:25Z6 YR AGO

Last updated

2024-09-16 19:20Z2 YR AGO

Reserved

2019-11-04

Assigning CNA

juniper

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses

CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

4265e9202a59e4045f5a05e0e622ce0a3fd121df151f479faf8124bc1a233974

05 Affected products

VendorProductVersionsPlatforms

Juniper NetworksJunos OS14.1X53 to < 14.1X53-D53, 15.1 to < 15.1R7-S6, 15.1X49 to < 15.1X49-D200, 15.1X49-D210, 16.1 to < 16.1R7-S7, 17.1 to < 17.1R2-S11, 17.1R3-S2, 17.2 to < 17.2R3-S3, 17.3 to < 17.3R2-S5, 17.3R3-S7, 17.4 to < 17.4R2-S9, 17.4R3, 18.1 to < 18.1R3-S8, 18.2 to < 18.2R3-S2, 18.3 to < 18.3R2-S3, 18.3R3, 18.3R3-S1, 18.4 to < 18.4R1-S5, 18.4R2-S3, 18.4R3, 19.1 to < 19.1R1-S4, 19.1R2, 19.2 to < 19.2R1-S4, 19.2R2, 19.3 to < 19.3R1-S1, 19.3R2EX4300

06 References

kb.juniper.nethttps://kb.juniper.net/JSA11008x_refsource_CONFIRM

07 Remediation

The following software releases have been updated to resolve this specific issue: 14.1X53-D53, 15.1R7-S6, 15.1X49-D200, 15.1X49-D210, 16.1R7-S7, 17.1R2-S11, 17.1R3-S2, 17.2R3-S3, 17.3R2-S5, 17.3R3-S7, 17.4R2-S9, 17.4R3, 18.1R3-S8, 18.2R3-S2, 18.3R2-S3, 18.3R3, 18.3R3-S1, 18.4R1-S5, 18.4R2-S3, 18.4R3, 19.1R1-S4, 19.1R2, 19.2R1-S4, 19.2R2, 19.3R1-S1, 19.3R2, 19.4R1, and all subsequent releases.