Vulnerability Monitor

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CVE-2018-0003

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 1 product from juniper organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-01-10T22:29:01.010

Last Modified

2026-06-17T01:29:21.613

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:C

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

6.5

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.3x48	Yes
Operating System	juniper	junos	12.3x48	Yes
Operating System	juniper	junos	12.3x48	Yes
Operating System	juniper	junos	12.3x48	Yes
Operating System	juniper	junos	12.3x48	Yes
Operating System	juniper	junos	12.3x48	Yes
Operating System	juniper	junos	12.3x48	Yes
Operating System	juniper	junos	12.3x48	Yes
Operating System	juniper	junos	12.3x48	Yes
Operating System	juniper	junos	12.3x48	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	15.1x49	Yes
Operating System	juniper	junos	14.1x53	Yes
Operating System	juniper	junos	14.1x53	Yes
Operating System	juniper	junos	14.1x53	Yes
Operating System	juniper	junos	14.1x53	Yes
Operating System	juniper	junos	14.1x53	Yes
Operating System	juniper	junos	14.1x53	Yes
Operating System	juniper	junos	14.1x53	Yes
Operating System	juniper	junos	14.1x53	Yes
Operating System	juniper	junos	14.1x53	Yes
Operating System	juniper	junos	15.1x53	Yes
Operating System	juniper	junos	15.1x53	Yes
Operating System	juniper	junos	15.1x53	Yes
Operating System	juniper	junos	15.1x53	Yes
Operating System	juniper	junos	15.1x53	Yes
Operating System	juniper	junos	15.1x53	Yes
Operating System	juniper	junos	15.1x53	Yes
Operating System	juniper	junos	15.1x53	Yes
Operating System	juniper	junos	15.1x53	Yes
Operating System	juniper	junos	14.1	Yes
Operating System	juniper	junos	14.1	Yes
Operating System	juniper	junos	14.1	Yes
Operating System	juniper	junos	14.1	Yes
Operating System	juniper	junos	14.1	Yes
Operating System	juniper	junos	14.1	Yes
Operating System	juniper	junos	14.1	Yes
Operating System	juniper	junos	14.1	Yes
Operating System	juniper	junos	14.2	Yes
Operating System	juniper	junos	14.2	Yes
Operating System	juniper	junos	14.2	Yes
Operating System	juniper	junos	14.2	Yes
Operating System	juniper	junos	14.2	Yes
Operating System	juniper	junos	14.2	Yes
Operating System	juniper	junos	16.1	Yes
Operating System	juniper	junos	16.1	Yes
Operating System	juniper	junos	16.1	Yes
Operating System	juniper	junos	16.1	Yes
Operating System	juniper	junos	16.1x65	Yes
Operating System	juniper	junos	16.1x65	Yes
Operating System	juniper	junos	17.2x75	Yes
Operating System	juniper	junos	15.1	Yes
Operating System	juniper	junos	15.1	Yes
Operating System	juniper	junos	15.1	Yes
Operating System	juniper	junos	15.1	Yes
Operating System	juniper	junos	15.1	Yes
Operating System	juniper	junos	15.1	Yes
Operating System	juniper	junos	15.1	Yes
Operating System	juniper	junos	15.1	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	16.2	Yes
Operating System	juniper	junos	16.2	Yes
Operating System	juniper	junos	17.1	Yes
Operating System	juniper	junos	17.1	Yes
Operating System	juniper	junos	17.2	Yes
Operating System	juniper	junos	17.2	Yes

References

http://www.securityfocus.com/bid/105715 ([email protected])
http://www.securitytracker.com/id/1040179 Third Party Advisory, VDB Entry ([email protected])
https://kb.juniper.net/JSA10831 Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/105715 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1040179 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://kb.juniper.net/JSA10831 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For juniper's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.