{"cve":"CVE-2025-30647","nvd":{"published":"2025-04-09T20:15:28.103","modified":"2026-06-17T09:09:05.797","status":"Analyzed","description":"A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause a Denial-of-Service (DoS).\n\nIn a subscriber management scenario, login/logout activity triggers a memory leak, and the leaked memory gradually increments and eventually results in a crash. \n   \n           user@host> show chassis fpc\n                                       Temp    CPU Utilization (%)   CPU Utilization (%)   Memory      Utilization (%)\n                      Slot State       (C)     Total   Interrupt      1min   5min  15min    DRAM (MB)  Heap     Buffer\n\n                      2  Online         36        10          0          9      8      9         32768       26          0\n                                                                                                     \n\nThis issue affects Junos OS on MX Series: \n  *  All versions before 21.2R3-S9\n  *  from 21.4 before 21.4R3-S10\n  *  from 22.2 before 22.2R3-S6\n  *  from 22.4 before 22.4R3-S5\n  *  from 23.2 before 23.2R2-S3\n  *  from 23.4 before 23.4R2-S3\n  *  from 24.2 before 24.2R2.","cvss_v4":{"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-401"],"references":["https://supportportal.juniper.net/JSA96457"],"products":["juniper:junos"],"source":"nvd","synced_at":"2026-10-19T22:00:57.946988208+00:00"},"epss":{"cve":"CVE-2025-30647","score":0.00245,"percentile":0.15853,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}