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CVE Record

CVE-2018-0029: Junos OS: Kernel crash (vmcore) during broadcast storm after enabling 'monitor traffic interface fxp0'

While experiencing a broadcast storm, placing the fxp0 interface into promiscuous mode via the 'monitor traffic interface fxp0' can cause the system to crash and restart (vmcore). This issue only affects Junos OS 15.1 and later releases, and affects both single core and multi-core REs. Releases prior to Junos OS 15.1 are unaffected by this vulnerability. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1F6-S11, 15.1R4-S9, 15.1R6-S6, 15.1R7; 15.1X49 versions prior to 15.1X49-D140; 15.1X53 versions prior to 15.1X53-D59 on EX2300/EX3400; 15.1X53 versions prior to 15.1X53-D67 on QFX10K; 15.1X53 versions prior to 15.1X53-D233 on QFX5200/QFX5110; 15.1X53 versions prior to 15.1X53-D471, 15.1X53-D490 on NFX; 16.1 versions prior to 16.1R3-S8, 16.1R5-S4, 16.1R6-S1, 16.1R7; 16.2 versions prior to 16.2R1-S6, 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; 17.2X75 versions prior to 17.2X75-D90, 17.2X75-D110; 17.3 versions prior to 17.3R1-S4, 17.3R2; 17.4 versions prior to 17.4R1-S3, 17.4R2.

MediumCVSS 5.7Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This Junos OS flaw can crash and restart a device when a broadcast storm is present and the fxp0 management interface is put into traffic-monitoring promiscuous mode. The impact is availability only: no confidentiality or integrity impact is described. Exposure is limited to affected Junos OS releases where fxp0 monitoring may be used during broadcast storm conditions. Releases before Junos OS 15.1 are stated as unaffected. Prioritize remediation for Juniper devices in critical routing, switching, or management paths. The issue is not known to be actively exploited, but a crash during network instability can worsen outages. Mitigation focus: Upgrade affected Junos OS systems to the fixed release levels listed by Juniper.; Check Juniper JSA10863 for platform-specific fixed releases and upgrade guidance.; Avoid fxp0 traffic monitoring during broadcast storm conditions until remediated..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2018-0029 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.7 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.7CVSS 3.0MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H2.13.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.7Medium
CVSS 3.0 vector shape for CVE-2018-0029Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Juniper NetworksJunos OS15.1, 16.1, 16.2, 17.1, 17.2, 17.2X75, 17.3, 17.4Listed
Juniper NetworksJunos OS15.1X49Listed
Juniper NetworksJunos OS15.1X53Listed
Juniper NetworksJunos OS15.1X53Listed
Juniper NetworksJunos OS15.1X53Listed
Juniper NetworksJunos OS15.1X53Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.