01 Record

CVE-2020-1609

Junos OS and Junos OS Evolved: A vulnerability in JDHCPD allows an attacker to send crafted IPv6 packets and arbitrarily execute commands on the target device.

HighPUBLISHEDCNA: juniper

CNA base score8.8 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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02 Description

Junos OS and Junos OS Evolved: A vulnerability in JDHCPD allows an attacker to send crafted IPv6 packets and arbitrarily execute commands on the target device.

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: 0.93% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 60.5% of scored records. A rank, not a probability.
NVD base score: 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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

2020-01-15 08:40Z6 YR AGO

Last updated

2024-09-16 19:05Z2 YR AGO

Reserved

2019-11-04

Assigning CNA

juniper

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
CWE-121Stack-based Buffer OverflowVariant

Data version

5.1

Document digest

54a8132b4dfdca77dce1723f5954f402636ea6d7d69e5e3182b06c4cf8400a10

05 Affected products

VendorProductVersionsPlatforms

Juniper NetworksJunos OS15.1 to < 15.1R7-S6, 15.1X49 to < 15.1X49-D200, 15.1X53 to < 15.1X53-D592, 16.1 to < 16.1R7-S6, 16.2 to < 16.2R2-S11, 17.1 to < 17.1R2-S11, 17.1R3-S1, 17.2 to < 17.2R2-S8, 17.2R3-S3, 17.3 to < 17.3R3-S6, 17.4 to < 17.4R2-S7, 17.4R3, 18.1 to < 18.1R3-S8, 18.2 to < 18.2R3-S2, 18.3 to < 18.3R1-S6, 18.3R2-S2, 18.3R3, 18.4 to < 18.4R1-S5, 18.4R2-S3, 18.4R3, 19.1 to < 19.1R1-S3, 19.1R2, 19.2 to < 19.2R1-S3, 19.2R2, 19.3 to < 19.3R1, 19.3R2, 18.2X75 to < 18.2X75-D60—

Juniper NetworksJunos OS Evolved< 19.3R1Junos Evolved

06 References

kb.juniper.nethttps://kb.juniper.net/JSA10981x_refsource_CONFIRM
prsearch.juniper.nethttps://prsearch.juniper.net/InfoCenter/index?page=prcontent&id=PR1449353x_refsource_MISC

07 Remediation

The following software releases have been updated to resolve this specific issue: Junos OS: 15.1R7-S6, 15.1X49-D200, 15.1X53-D592, 16.1R7-S6, 16.2R2-S11, 17.1R2-S11, 17.1R3-S1, 17.2R2-S8, 17.2R3-S3, 17.3R3-S6, 17.4R2-S7, 17.4R3, 18.1R3-S8, 18.2R3-S2, 18.2X75-D60, 18.3R1-S6, 18.3R2-S2, 18.3R3, 18.4R1-S5, 18.4R2-S3, 18.4R3, 19.1R1-S3, 19.1R2, 19.2R1-S3, 19.2R2*, 19.3R1, and all subsequent releases. Junos OS Evolved: 19.3R1, and all subsequent releases. *pending publication