CVE record · CVE-2018-0031

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

CVSS 5.3 MediumEPSS 0.012 · 68th percentile

Published by the CVE Program (CNA: juniper) at 11 Jul 2018, 18:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Juniper Networks	Junos OS	affected 12.1X46 to before 12.1X46-D76 custom affected 12.3X48 to before 12.3X48-D66, 12.3X48-D70 custom affected 15.1X49 to before 15.1X49-D131, 15.1X49-D140 custom
Juniper Networks	Junos OS	affected 12.3 to before 12.3R12-S10 custom affected 15.1 to before 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7 custom affected 16.1 to before 16.1R3-S8, 16.1R4-S9, 16.1R5-S4, 16.1R6-S3, 16.1R7 custom affected 16.2 to before 16.2R1-S6, 16.2R2-S5, 16.2R3 custom affected 17.1 to before 17.1R1-S7, 17.1R2-S7, 17.1R3 custom affected 17.2 to before 17.2R1-S6, 17.2R2-S4, 17.2R3 custom affected 17.2X75 to before 17.2X75-D100 custom affected 17.3 to before 17.3R1-S4, 17.3R2-S2, 17.3R3 custom affected 17.4 to before 17.4R1-S3, 17.4R2 custom affected 18.1 to before 18.1R2 custom affected 18.2X75 to before 18.2X75-D5 custom
Juniper Networks	Junos OS	affected 14.1X53 to before 14.1X53-D47 custom
Juniper Networks	Junos OS	affected 15.1X53 to before 15.1X53-D59 custom
Juniper Networks	Junos OS	affected 15.1X53 to before 15.1X53-D67 custom
Juniper Networks	Junos OS	affected 15.1X53 to before 15.1X53-D233 custom
Juniper Networks	Junos OS	affected 15.1X53 to before 15.1X53-D471, 15.1X53-D490 custom

Identifiers: CVE-2018-0031
CNA: juniper
Tags: Juniper Networks Junos OS
Published: 11 Jul 2018
Updated: 17 Sept 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	3.0	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	CNA (juniper)

CISA KEV Not listed.
EPSS 0.012, the 68th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 11 Jul 2018. New records show when each source confirmed them.

Sources

References from the CNA

kb.juniper.net/JSA10865 confirm
www.securitytracker.com/id/1041326 vdb-entrysectrack

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.