Juniper Networks Junos OS uses the 128.0.0.0/2 subnet for internal communications between the RE and PFEs. It was discovered that packets utilizing these IP addresses may egress an EX4300 switch, leaking configuration information such as heartbeats, kernel versions, etc. out to the Internet, leading to an information exposure vulnerability. This issue affects Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D53 on EX4300; 15.1 versions prior to 15.1R7-S6 on EX4300; 15.1X49 versions prior to 15.1X49-D200, 15.1X49-D210 on EX4300; 16.1 versions prior to 16.1R7-S7 on EX4300; 17.1 versions prior to 17.1R2-S11, 17.1R3-S2 on EX4300; 17.2 versions prior to 17.2R3-S3 on EX4300; 17.3 versions prior to 17.3R2-S5, 17.3R3-S7 on EX4300; 17.4 versions prior to 17.4R2-S9, 17.4R3 on EX4300; 18.1 versions prior to 18.1R3-S8 on EX4300; 18.2 versions prior to 18.2R3-S2 on EX4300; 18.3 versions prior to 18.3R2-S3, 18.3R3, 18.3R3-S1 on EX4300; 18.4 versions prior to 18.4R1-S5, 18.4R2-S3, 18.4R3 on EX4300; 19.1 versions prior to 19.1R1-S4, 19.1R2 on EX4300; 19.2 versions prior to 19.2R1-S4, 19.2R2 on EX4300; 19.3 versions prior to 19.3R1-S1, 19.3R2 on EX4300.
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 data confidentiality, for affected systems. Impacting 2 products from juniper, from juniper organizations running these solutions should prioritize assessment and patching.
Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2020-04-08T20:15:14.107
2024-11-21T05:11:01.973
Modified
CVSSv3.1: 5.3 (MEDIUM)
AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| 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 | 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 | 15.1 | 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 | 15.1 | 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 | 15.1 | 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 | 15.1 | 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 | 15.1x49 | 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 | 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 | 16.1 | 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 | 16.1 | 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 | 16.1 | 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 | 17.1 | 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 | 17.1 | 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 | 17.1 | 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 | 17.2 | 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 | 17.2 | 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 | 17.3 | 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 | 17.3 | 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 | 17.3 | 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 | 17.4 | 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 | 17.4 | 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 | 17.4 | 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 | 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 | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.3 | Yes |
| Hardware | juniper | ex4300 | - | No |
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.