Receipt of specially crafted UDP/IP packets over MPLS may be able to bypass a stateless firewall filter. The crafted UDP packets must be encapsulated and meet a very specific packet format to be classified in a way that bypasses IP firewall filter rules. The packets themselves do not cause a service interruption (e.g. RPD crash), but receipt of a high rate of UDP packets may be able to contribute to a denial of service attack. This issue only affects processing of transit UDP/IP packets over MPLS, received on an interface with MPLS enabled. TCP packet processing and non-MPLS encapsulated UDP packet processing are unaffected by this issue. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D76; 12.3 versions prior to 12.3R12-S10; 12.3X48 versions prior to 12.3X48-D66, 12.3X48-D70; 14.1X53 versions prior to 14.1X53-D47; 15.1 versions prior to 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7; 15.1X49 versions prior to 15.1X49-D131, 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, 16.1R4-S9, 16.1R5-S4, 16.1R6-S3, 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-D100; 17.3 versions prior to 17.3R1-S4, 17.3R2-S2, 17.3R3; 17.4 versions prior to 17.4R1-S3, 17.4R2; 18.1 versions prior to 18.1R2; 18.2X75 versions prior to 18.2X75-D5.
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts limited integrity, for affected systems. Impacting 7 products from juniper, from juniper, from juniper and 4 others, organizations running these solutions should prioritize assessment and patching.
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.
2018-07-11T18:29:00.510
2026-06-17T01:29:26.237
Modified
CVSSv3.0: 5.3 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
| 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 | 12.3 | 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 | 12.3 | Yes |
| Operating System | juniper | junos | 12.3 | 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 | 12.3x48 | Yes |
| Operating System | juniper | junos | 12.3x48 | Yes |
| Operating System | juniper | junos | 12.3x48 | 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 | 14.1x53 | Yes |
| Operating System | juniper | junos | 14.1x53 | 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 | 15.1 | 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 | 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 | 15.1x53 | Yes |
| Hardware | juniper | ex2300 | - | No |
| Hardware | juniper | ex3400 | - | No |
| 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 | 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 |
| Hardware | juniper | qfx10000 | - | No |
| 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 | 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 | 15.1x53 | Yes |
| Operating System | juniper | junos | 15.1x53 | Yes |
| Operating System | juniper | junos | 15.1x53 | Yes |
| Hardware | juniper | qfx5110 | - | No |
| Hardware | juniper | qfx5200 | - | No |
| 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 | 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 | 15.1x53 | Yes |
| Operating System | juniper | junos | 15.1x53 | Yes |
| Operating System | juniper | junos | 15.1x53 | Yes |
| Operating System | juniper | junos | 15.1x53 | Yes |
| Hardware | juniper | nfx250 | - | No |
| 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 | 16.1 | Yes |
| Operating System | juniper | junos | 16.1 | Yes |
| Operating System | juniper | junos | 16.1 | Yes |
| Operating System | juniper | junos | 16.2 | Yes |
| Operating System | juniper | junos | 16.2 | 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 | 17.1 | Yes |
| Operating System | juniper | junos | 17.1 | Yes |
| Operating System | juniper | junos | 17.2 | Yes |
| Operating System | juniper | junos | 17.2 | Yes |
| Operating System | juniper | junos | 17.2 | Yes |
| Operating System | juniper | junos | 17.2 | Yes |
| Operating System | juniper | junos | 17.2 | Yes |
| Operating System | juniper | junos | 17.2x75 | Yes |
| Operating System | juniper | junos | 17.2x75 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.2x75 | Yes |
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.