A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS). PTX3000, PTX5000, QFX10000, PTX1000, PTX10002, and PTX10004, PTX10008 and PTX10016 with LC110x FPCs do not support certain flow-routes. Once a flow-route is received over an established BGP session and an attempt is made to install the resulting filter into the PFE, FPC heap memory is leaked. The FPC heap memory can be monitored using the CLI command "show chassis fpc". The following syslog messages can be observed if the respective filter derived from a flow-route cannot be installed. expr_dfw_sfm_range_add:661 SFM packet-length Unable to get a sfm entry for updating the hw expr_dfw_hw_sfm_add:750 Unable to add the filter secondarymatch to the hardware expr_dfw_base_hw_add:52 Failed to add h/w sfm data. expr_dfw_base_hw_create:114 Failed to add h/w data. expr_dfw_base_pfe_inst_create:241 Failed to create base inst for sfilter 0 on PFE 0 for __flowspec_default_inet__ expr_dfw_flt_inst_change:1368 Failed to create __flowspec_default_inet__ on PFE 0 expr_dfw_hw_pgm_fnum:465 dfw_pfe_inst_old not found for pfe_index 0! expr_dfw_bp_pgm_flt_num:548 Failed to pgm bind-point in hw: generic failure expr_dfw_bp_topo_handler:1102 Failed to program fnum. expr_dfw_entry_process_change:679 Failed to change instance for filter __flowspec_default_inet__. This issue affects Juniper Networks Junos OS: on PTX1000, PTX10002, and PTX10004, PTX10008 and PTX10016 with LC110x FPCs: * All versions prior to 20.4R3-S5; * 21.1 versions prior to 21.1R3-S4; * 21.2 versions prior to 21.2R3-S2; * 21.3 versions prior to 21.3R3; * 21.4 versions prior to 21.4R2-S2, 21.4R3; * 22.1 versions prior to 22.1R1-S2, 22.1R2. on PTX3000, PTX5000, QFX10000: * All versions prior to 20.4R3-S8; * 21.1 version 21.1R1 and later versions; * 21.2 versions prior to 21.2R3-S6; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S4; * 22.1 versions prior to 22.1R3-S3 * 22.2 versions prior to 22.2R3-S1 * 22.3 versions prior to 22.3R2-S2, 22.3R3 * 22.4 versions prior to 22.4R2.
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 11 products from juniper, from juniper, from juniper and 8 others, organizations running these solutions should prioritize assessment and patching.
Reported in 2023, 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.
2023-10-12T23:15:10.680
2024-11-21T07:44:43.197
Modified
CVSSv3.1: 6.5 (MEDIUM)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | juniper | junos | < 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Hardware | juniper | ptx1000 | - | No |
| Hardware | juniper | ptx1000-72q | - | No |
| Hardware | juniper | ptx10002 | - | No |
| Hardware | juniper | ptx10002-60c | - | No |
| Hardware | juniper | ptx10004 | - | No |
| Hardware | juniper | ptx10008 | - | No |
| Hardware | juniper | ptx10016 | - | No |
| Operating System | juniper | junos | < 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 20.4 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.1 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.2 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.3 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 21.4 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Operating System | juniper | junos | 22.1 | Yes |
| Operating System | juniper | junos | 22.2 | Yes |
| Operating System | juniper | junos | 22.2 | Yes |
| Operating System | juniper | junos | 22.2 | Yes |
| Operating System | juniper | junos | 22.2 | Yes |
| Operating System | juniper | junos | 22.2 | Yes |
| Operating System | juniper | junos | 22.2 | Yes |
| Operating System | juniper | junos | 22.2 | Yes |
| Operating System | juniper | junos | 22.3 | Yes |
| Operating System | juniper | junos | 22.3 | Yes |
| Operating System | juniper | junos | 22.3 | Yes |
| Operating System | juniper | junos | 22.3 | Yes |
| Operating System | juniper | junos | 22.3 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Hardware | juniper | ptx3000 | - | No |
| Hardware | juniper | ptx5000 | - | No |
| Hardware | juniper | qfx10000 | - | 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.