{"id":"CVE-2025-30650","aliases":["EUVD-2025-209320"],"status":"published","title":"Junos OS: Privileged local user can gain access to a Linux-based FPC as root","description":"A Missing Authentication for Critical Function vulnerability in command processing of Juniper Networks Junos OS allows a privileged local attacker to gain access to Linux-based line cards as root.\n\nThis issue affects systems running Junos OS using Linux-based line cards. Affected line cards include:\n  *  MPC7, MPC8, MPC9, MPC10, MPC11\n  *  LC2101, LC2103\n  *  LC480, LC4800, LC9600\n  *  MX304 (built-in FPC)\n  *  MX-SPC3\n  *  SRX5K-SPC3\n  *  EX9200-40XS\n\n\n  *  FPC3-PTX-U2, FPC3-PTX-U3\n  *  FPC3-SFF-PTX\n  *  LC1101, LC1102, LC1104, LC1105\n\n\n\n\n\nThis issue affects Junos OS: \n\n\n\n  *  all versions before 22.4R3-S8, \n  *  from 23.2 before 23.2R2-S6, \n  *  from 23.4 before 23.4R2-S6, \n  *  from 24.2 before 24.2R2-S3, \n  *  from 24.4 before 24.4R2,\n  *  from 25.2 before 25.2R2.","severity":{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:N/R:A/V:C/RE:M/U:Amber","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00139,"percentile":0.03303,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-04-08T17:26:35Z","modified":"2026-08-26T16:52:20Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper networks","product":"junos os"}],"references":[{"url":"https://github.com/orangecertcc/security-research/security/advisories/GHSA-fwhc-gh5m-v8fq","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://kb.juniper.net/JSA107863","tags":["vendor-advisory","Vendor Advisory"]}],"sources":{"cve":[{"id":"CVE-2025-30650","title":"Junos OS: Privileged local user can gain access to a Linux-based FPC as root","description":"A Missing Authentication for Critical Function vulnerability in command processing of Juniper Networks Junos OS allows a privileged local attacker to gain access to Linux-based line cards as root.\n\nThis issue affects systems running Junos OS using Linux-based line cards. Affected line cards include:\n  *  MPC7, MPC8, MPC9, MPC10, MPC11\n  *  LC2101, LC2103\n  *  LC480, LC4800, LC9600\n  *  MX304 (built-in FPC)\n  *  MX-SPC3\n  *  SRX5K-SPC3\n  *  EX9200-40XS\n\n\n  *  FPC3-PTX-U2, FPC3-PTX-U3\n  *  FPC3-SFF-PTX\n  *  LC1101, LC1102, LC1104, LC1105\n\n\n\n\n\nThis issue affects Junos OS: \n\n\n\n  *  all versions before 22.4R3-S8, \n  *  from 23.2 before 23.2R2-S6, \n  *  from 23.4 before 23.4R2-S6, \n  *  from 24.2 before 24.2R2-S3, \n  *  from 24.4 before 24.4R2,\n  *  from 25.2 before 25.2R2.","status":"published","published":"2026-04-08T17:26:35.685Z","modified":"2026-04-13T21:17:19.185Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:N/R:A/V:C/RE:M/U:Amber","level":"high","assessor":"cna"},{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:32:35.099955Z"}],"euvd":[{"id":"EUVD-2025-209320","description":"A Missing Authentication for Critical Function vulnerability in command processing of Juniper Networks Junos OS allows a privileged local attacker to gain access to Linux-based line cards as root.\n\nThis issue affects systems running Junos OS using Linux-based line cards. Affected line cards include:\n  *  MPC7, MPC8, MPC9, MPC10, MPC11\n  *  LC2101, LC2103\n  *  LC480, LC4800, LC9600\n  *  MX304 (built-in FPC)\n  *  MX-SPC3\n  *  SRX5K-SPC3\n  *  EX9200-40XS\n\n\n  *  FPC3-PTX-U2, FPC3-PTX-U3\n  *  FPC3-SFF-PTX\n  *  LC1101, LC1102, LC1104, LC1105\n\n\n\n\n\nThis issue affects Junos OS: \n\n\n\n  *  all versions before 22.4R3-S8, \n  *  from 23.2 before 23.2R2-S6, \n  *  from 23.4 before 23.4R2-S6, \n  *  from 24.2 before 24.2R2-S3, \n  *  from 24.4 before 24.4R2,\n  *  from 25.2 before 25.2R2.","status":"published","published":"2026-04-08T17:26:35Z","modified":"2026-04-13T21:17:19Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:N/R:A/V:C/RE:M/U:Amber","level":"high"}],"updated_at":"2026-11-02T19:24:27.052992Z"}],"nvd":[{"id":"CVE-2025-30650","description":"A Missing Authentication for Critical Function vulnerability in command processing of Juniper Networks Junos OS allows a privileged local attacker to gain access to Linux-based line cards as root.\n\nThis issue affects systems running Junos OS using Linux-based line cards. Affected line cards include:\n  *  MPC7, MPC8, MPC9, MPC10, MPC11\n  *  LC2101, LC2103\n  *  LC480, LC4800, LC9600\n  *  MX304 (built-in FPC)\n  *  MX-SPC3\n  *  SRX5K-SPC3\n  *  EX9200-40XS\n\n\n  *  FPC3-PTX-U2, FPC3-PTX-U3\n  *  FPC3-SFF-PTX\n  *  LC1101, LC1102, LC1104, LC1105\n\n\n\n\n\nThis issue affects Junos OS: \n\n\n\n  *  all versions before 22.4R3-S8, \n  *  from 23.2 before 23.2R2-S6, \n  *  from 23.4 before 23.4R2-S6, \n  *  from 24.2 before 24.2R2-S3, \n  *  from 24.4 before 24.4R2,\n  *  from 25.2 before 25.2R2.","status":"published","published":"2026-04-08T19:24:00.44Z","modified":"2026-08-26T16:52:20.023Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:A/V:C/RE:M/U:Amber","level":"high","assessor":"secondary"},{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:01.641503Z"}]}}