01 Record

CVE-2018-0031

Junos OS: Receipt of specially crafted UDP packets over MPLS may bypass stateless IP firewall rules

MediumPUBLISHEDCNA: juniper

CNA base score5.3 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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02 Description

Junos OS: Receipt of specially crafted UDP packets over MPLS may bypass stateless IP firewall rules

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: 1.21% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 68.3% of scored records. A rank, not a probability.
NVD base score: 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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

2018-07-11 18:00Z8 YR AGO

Last updated

2024-09-17 02:21Z2 YR AGO

Reserved

2017-11-16

Assigning CNA

juniper

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

6ea6eff065ba32cd7c371702ef03b1f8845195021d7850c27d356e79167859cd

05 Affected products

VendorProductVersionsPlatforms

Juniper NetworksJunos OS12.1X46 to < 12.1X46-D76, 12.3X48 to < 12.3X48-D66, 12.3X48-D70, 15.1X49 to < 15.1X49-D131, 15.1X49-D140, 12.3 to < 12.3R12-S10, 15.1 to < 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7, 16.1 to < 16.1R3-S8, 16.1R4-S9, 16.1R5-S4, 16.1R6-S3, 16.1R7, 16.2 to < 16.2R1-S6, 16.2R2-S5, 16.2R3, 17.1 to < 17.1R1-S7, 17.1R2-S7, 17.1R3, 17.2 to < 17.2R1-S6, 17.2R2-S4, 17.2R3, 17.2X75 to < 17.2X75-D100, 17.3 to < 17.3R1-S4, 17.3R2-S2, 17.3R3, 17.4 to < 17.4R1-S3, 17.4R2, 18.1 to < 18.1R2, 18.2X75 to < 18.2X75-D5, 14.1X53 to < 14.1X53-D47, 15.1X53 to < 15.1X53-D59, 15.1X53 to < 15.1X53-D67, 15.1X53 to < 15.1X53-D233, 15.1X53 to < 15.1X53-D471, 15.1X53-D490SRX Series, EX2200/VC, EX3200, EX3300/VC, EX4200, EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100, EX2300, EX3400, QFX10000 Series, QFX5110, QFX5200, NFX150, NFX250

06 References

kb.juniper.nethttps://kb.juniper.net/JSA10865x_refsource_CONFIRM
www.securitytracker.com1041326http://www.securitytracker.com/id/1041326vdb-entryx_refsource_SECTRACK

07 Remediation

The following software releases have been updated to resolve this specific issue: 12.1X46-D76, 12.3X48-D66, 12.3X48-D70, 14.1X53-D47, 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7, 15.1X49-D131, 15.1X49-D140, 15.1X53-D233, 15.1X53-D471, 15.1X53-D490, 15.1X53-D59, 15.1X53-D67, 16.1R3-S8, 16.1R4-S9, 16.1R5-S4, 16.1R6-S3, 16.1R7, 16.2R1-S6, 16.2R2-S5, 16.2R3, 17.1R1-S7, 17.1R2-S7, 17.1R3, 17.2R1-S6, 17.2R2-S4, 17.2R3, 17.2X75-D100, 17.3R1-S4, 17.3R2-S2, 17.3R3, 17.4R1-S3, 17.4R2, 18.1R2, 18.2R1, 18.2X75-D5, and all subsequent releases.