{"id":"CVE-2026-102182","aliases":["EUVD-2026-101397","GHSA-pvg7-92rm-23q6"],"status":"published","title":"Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution","description":"A Stack-based Buffer Overflow vulnerability in the kmd component of Juniper Networks Junos OS on MX Series allows an unauthenticated network attacker to execute code as root via specific IKE certificate-based packets.\n\nThis issue requires IKE to be enabled with an RSA-signature IKE policy to be vulnerable.\n\nThis issue affects Junos OS on MX Series:\n\n\n  *  All versions before 21.2R3-S11;\n  *  from 21.4 before 21.4R3-S12;\n  *  from 22.2 before 22.2R3-S8;\n  *  from 22.3 before 22.3R3-S5;\n  *  from 22.4 before 22.4R3-S9;","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00411,"percentile":0.35694,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-10-14T16:57:50Z","modified":"2026-10-20T21:17:14Z","products":[{"vendor":"juniper networks","product":"junos os"}],"references":[{"url":"https://supportportal.juniper.net/JSA112196","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102182"},{"url":"https://github.com/advisories/GHSA-pvg7-92rm-23q6"}],"sources":{"cve":[{"id":"CVE-2026-102182","title":"Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution","description":"A Stack-based Buffer Overflow vulnerability in the kmd component of Juniper Networks Junos OS on MX Series allows an unauthenticated network attacker to execute code as root via specific IKE certificate-based packets.\n\nThis issue requires IKE to be enabled with an RSA-signature IKE policy to be vulnerable.\n\nThis issue affects Junos OS on MX Series:\n\n\n  *  All versions before 21.2R3-S11;\n  *  from 21.4 before 21.4R3-S12;\n  *  from 22.2 before 22.2R3-S8;\n  *  from 22.3 before 22.3R3-S5;\n  *  from 22.4 before 22.4R3-S9;","status":"published","published":"2026-10-14T16:57:50.508Z","modified":"2026-10-20T20:30:29.536Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T13:38:54.394896Z"}],"euvd":[{"id":"EUVD-2026-101397","description":"A Stack-based Buffer Overflow vulnerability in the kmd component of Juniper Networks Junos OS on MX Series allows an unauthenticated network attacker to execute code as root via specific IKE certificate-based packets.\n\nThis issue requires IKE to be enabled with an RSA-signature IKE policy to be vulnerable.\n\nThis issue affects Junos OS on MX Series:\n\n\n  *  All versions before 21.2R3-S11;\n  *  from 21.4 before 21.4R3-S12;\n  *  from 22.2 before 22.2R3-S8;\n  *  from 22.3 before 22.3R3-S5;\n  *  from 22.4 before 22.4R3-S9;","status":"published","published":"2026-10-14T16:57:50Z","modified":"2026-10-20T20:30:29Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M","level":"critical"}],"updated_at":"2026-11-02T16:59:42.590373Z"}],"ghsa":[{"id":"GHSA-pvg7-92rm-23q6","title":"A Stack-based Buffer Overflow vulnerability in the kmd component of Juniper Networks Junos OS on...","description":"A Stack-based Buffer Overflow vulnerability in the kmd component of Juniper Networks Junos OS on MX Series allows an unauthenticated network attacker to execute code as root via specific IKE certificate-based packets.\n\nThis issue affects Junos OS on MX Series:\n\n\n  *  All versions before 21.2R3-S11;\n  *  from 21.4 before 21.4R3-S12;\n  *  from 22.2 before 22.2R3-S8;\n  *  from 22.3 before 22.3R3-S5;\n  *  from 22.4 before 22.4R3-S9;","status":"published","published":"2026-10-14T18:32:25Z","modified":"2026-10-14T18:32:33Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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:Y/R:A/V:C/RE:M/U:X","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:13:28.02433Z"}],"nvd":[{"id":"CVE-2026-102182","description":"A Stack-based Buffer Overflow vulnerability in the kmd component of Juniper Networks Junos OS on MX Series allows an unauthenticated network attacker to execute code as root via specific IKE certificate-based packets.\n\nThis issue requires IKE to be enabled with an RSA-signature IKE policy to be vulnerable.\n\nThis issue affects Junos OS on MX Series:\n\n\n  *  All versions before 21.2R3-S11;\n  *  from 21.4 before 21.4R3-S12;\n  *  from 22.2 before 22.2R3-S8;\n  *  from 22.3 before 22.3R3-S5;\n  *  from 22.4 before 22.4R3-S9;","status":"published","published":"2026-10-14T17:18:06.08Z","modified":"2026-10-20T21:17:14.65Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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:Y/R:A/V:C/RE:M/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:59.328869Z"}]}}