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14 results

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CVE-2018-0003

Junos OS: A crafted MPLS packet may lead to a kernel crash

Description

A specially crafted MPLS packet received or processed by the system, on an interface configured with MPLS, will store information in the system memory. Subsequently, if this stored information is accessed, this may result in a kernel crash leading to a denial of service. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D71; 12.3 versions prior to 12.3R12-S7; 12.3X48 versions prior to 12.3X48-D55; 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prior to 14.1X53-D45, 14.1X53-D107; 14.2 versions prior to 14.2R7-S7, 14.2R8; 15.1 versions prior to 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R7; 15.1X49 versions prior to 15.1X49-D100; 15.1X53 versions prior to 15.1X53-D65, 15.1X53-D231; 16.1 versions prior to 16.1R3-S6, 16.1R4-S6, 16.1R5; 16.1X65 versions prior to 16.1X65-D45; 16.2 versions prior to 16.2R2-S1, 16.2R3; 17.1 versions prior to 17.1R2-S2, 17.1R3; 17.2 versions prior to 17.2R1-S3, 17.2R2; 17.2X75 versions prior to 17.2X75-D50. No other Juniper Networks products or platforms are affected by this issue.

Timeline

  1. ID reserved

    By juniper

  2. · 55 days later

    Published

  3. · 7 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2018-0003, by who scored it
Scored byCVSSScoreVector
juniperCNA (assigner)3.0Medium6.5CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.0Medium6.5CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.91% · top 40% of all CVEs (11 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Affected products

  • Juniper Networks · Junos OS

    • affected 12.1X46 – < 12.1X46-D71
    • affected 12.3 – < 12.3R12-S7
    • affected 12.3X48 – < 12.3X48-D55
    • affected 14.1 – < 14.1R8-S5, 14.1R9
    • affected 14.1X53 – < 14.1X53-D45, 14.1X53-D107
    • affected 14.2 – < 14.2R7-S7, 14.2R8
    • affected 15.1 – < 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R7
    • affected 15.1X49 – < 15.1X49-D100
    • affected 15.1X53 – < 15.1X53-D65, 15.1X53-D231
    • affected 16.1 – < 16.1R3-S6, 16.1R4-S6, 16.1R5
    • affected 16.1X65 – < 16.1X65-D45
    • affected 16.2 – < 16.2R2-S1, 16.2R3
    • affected 17.1 – < 17.1R2-S2, 17.1R3
    • affected 17.2 – < 17.2R1-S3, 17.2R2
    • affected 17.2X75 – < 17.2X75-D50

What to do

Solution: The following software releases have been updated to resolve this specific issue: 12.1X46-D71, 12.3R12-S7, 12.3X48-D55, 14.1R8-S5, 14.1R9, 14.1X53-D45, 14.1X53-D107, 14.2R7-S7, 14.2R8, 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R7, 15.1X49-D100, 15.1X53-D65, 15.1X53-D231, 16.1R3-S6, 16.1R4-S6, 16.1R5, 16.1R3-S6, 16.1R4-S6, 16.1R5, 16.1X65-D45, 16.2R2-S1, 16.2R3, 17.1R2-S2, 17.1R3, 17.2R1-S3, 17.2R2, 17.2X75-D50, 17.3R1, and all subsequent releases.

Workaround: Disallow MPLS packets from reaching the device. Remove MPLS configuration stanzas from interface configurations that are at risk. No other viable workarounds exist for this issue.

Exploitation: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .