CVE-2018-0034

mediumpriority · track · 25EPSS 0.021 · 82 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.12% (82nd) EPSS

CVSS 4.3 · medium

Is it mine?

27 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A Denial of Service vulnerability exists in the Juniper Networks Junos OS JDHCPD daemon which allows an attacker to core the JDHCPD daemon by sending a crafted IPv6 packet to the system. This issue is limited to systems which receives IPv6 DHCP packets on a system configured for DHCP processing using the JDHCPD daemon. This issue does not affect IPv4 DHCP packet processing. Affected releases are Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S10 on EX Series; 12.3X48 versions prior to 12.3X48-D70 on SRX Series; 14.1X53 versions prior to 14.1X53-D47 on EX2200/VC, EX3200, EX3300/VC, EX4200, EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100; 14.1X53 versions prior to 14.1X53-D130 on QFabric; 15.1 versions prior to 15.1R4-S9, 15.1R6-S6, 15.1R7; 15.1X49 versions prior to 15.1X49-D140 on SRX Series; 15.1X53 versions prior to 15.1X53-D67 on QFX10000 Series; 15.1X53 versions prior to 15.1X53-D233 on QFX5110, QFX5200; 15.1X53 versions prior to 15.1X53-D471 on NFX 150, NFX 250; 16.1 versions prior to 16.1R3-S9, 16.1R4-S8, 16.1R5-S4, 16.1R6-S3, 16.1R7; 16.2 versions prior to 16.2R2-S5, 16.2R3; 17.1 versions prior to 17.1R1-S7, 17.1R2-S7, 17.1R3; 17.2 versions prior to 17.2R1-S6, 17.2R2-S4, 17.2R3; 17.3 versions prior to 17.3R1-S4, 17.3R2-S2, 17.3R3; 17.4 versions prior to 17.4R1-S3, 17.4R2.

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · sirt@juniper.net USexploitability 3.9 · impact 1.4

v3.05.4mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (27)

Products and version ranges known to be affected.

Juniper Networks Junos OS12.3 → 12.3R12-S10enisa_euvdEU
Juniper Networks Junos OS12.3X48 → 12.3X48-D70enisa_euvdEU
Juniper Networks Junos OS14.1X53 → 14.1X53-D130enisa_euvdEU
Juniper Networks Junos OS14.1X53 → 14.1X53-D47enisa_euvdEU
Juniper Networks Junos OS15.1 → 15.1R4-S9, 15.1R6-S6, 15.1R7enisa_euvdEU
Juniper Networks Junos OS15.1X49 → 15.1X49-D140enisa_euvdEU
Juniper Networks Junos OS15.1X53 → 15.1X53-D233enisa_euvdEU
Juniper Networks Junos OS15.1X53 → 15.1X53-D471enisa_euvdEU
Juniper Networks Junos OS15.1X53 → 15.1X53-D67enisa_euvdEU
Juniper Networks Junos OS16.1 → 16.1R3-S9, 16.1R4-S8, 16.1R5-S4, 16.1R6-S3, 16.1R7enisa_euvdEU
Juniper Networks Junos OS16.2 → 16.2R2-S5, 16.2R3enisa_euvdEU
Juniper Networks Junos OS17.1 → 17.1R1-S7, 17.1R2-S7, 17.1R3enisa_euvdEU
Juniper Networks Junos OS17.2 → 17.2R1-S6, 17.2R2-S4, 17.2R3enisa_euvdEU
Juniper Networks Junos OS17.3 → 17.3R1-S4, 17.3R2-S2, 17.3R3enisa_euvdEU
Juniper Networks Junos OS17.4 → 17.4R1-S3, 17.4R2enisa_euvdEU
juniper junos= 12.3nvdUScpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
juniper junos= 12.3x48nvdUScpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
juniper junos= 14.1x53nvdUScpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
juniper junos= 15.1nvdUScpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
juniper junos= 15.1x49nvdUScpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*

showing 20 of 27

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-07-11modified 2026-06-17

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references (10)

External citations — patches, advisories, analysis.

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