{"id":"CVE-2026-102085","aliases":["EUVD-2026-101456","GHSA-2wjw-7p23-hg8g"],"status":"published","title":"Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker","description":"An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.\n\nDue to a wrong initialization, a process which should only be able to communicate internally within the device can be reached over the network via an open port. This leads to a device being inadvertently exposed and increased CPU cycles spent processing ingress packets.\nThis issue affects Junos OS Evolved:\n\n\n  *  All versions before 23.2R2-S7.7-EVO;\n  *  23.4 versions before 23.4R2-S8.11-EVO;\n  *  24.2 versions before 24.2R2-S5.6-EVO;\n  *  24.4 versions before 24.4R2-S4-EVO;\n  *  25.2 version before 25.2R2-S1-EVO;\n  *  25.4 versions before 25.4R1-S1-EVO.\n\n\n\n\n\nPlease note that this issue is similar to but not identical CVE-2026-33803.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/AU:Y/R:U","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00287,"percentile":0.21486,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-923"],"published":"2026-10-14T16:24:26Z","modified":"2026-10-15T16:24:19Z","products":[{"vendor":"juniper networks","product":"junos os evolved"}],"references":[{"url":"https://supportportal.juniper.net/JSA112171","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102085"},{"url":"https://github.com/advisories/GHSA-2wjw-7p23-hg8g"}],"sources":{"cve":[{"id":"CVE-2026-102085","title":"Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker","description":"An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.\n\nDue to a wrong initialization, a process which should only be able to communicate internally within the device can be reached over the network via an open port. This leads to a device being inadvertently exposed and increased CPU cycles spent processing ingress packets.\nThis issue affects Junos OS Evolved:\n\n\n  *  All versions before 23.2R2-S7.7-EVO;\n  *  23.4 versions before 23.4R2-S8.11-EVO;\n  *  24.2 versions before 24.2R2-S5.6-EVO;\n  *  24.4 versions before 24.4R2-S4-EVO;\n  *  25.2 version before 25.2R2-S1-EVO;\n  *  25.4 versions before 25.4R1-S1-EVO.\n\n\n\n\n\nPlease note that this issue is similar to but not identical CVE-2026-33803.","status":"published","published":"2026-10-14T16:24:26.289Z","modified":"2026-10-14T20:46:20.247Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/AU:Y/R:U","level":"medium","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-923"],"updated_at":"2026-11-02T13:38:54.394896Z"}],"euvd":[{"id":"EUVD-2026-101456","description":"An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.\n\nDue to a wrong initialization, a process which should only be able to communicate internally within the device can be reached over the network via an open port. This leads to a device being inadvertently exposed and increased CPU cycles spent processing ingress packets.\nThis issue affects Junos OS Evolved:\n\n\n  *  All versions before 23.2R2-S7.7-EVO;\n  *  23.4 versions before 23.4R2-S8.11-EVO;\n  *  24.2 versions before 24.2R2-S5.6-EVO;\n  *  24.4 versions before 24.4R2-S4-EVO;\n  *  25.2 version before 25.2R2-S1-EVO;\n  *  25.4 versions before 25.4R1-S1-EVO.\n\n\n\n\n\nPlease note that this issue is similar to but not identical CVE-2026-33803.","status":"published","published":"2026-10-14T16:24:26Z","modified":"2026-10-14T20:46:20Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/AU:Y/R:U","level":"medium"}],"updated_at":"2026-11-02T17:27:12.294621Z"}],"ghsa":[{"id":"GHSA-2wjw-7p23-hg8g","title":"An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper...","description":"An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.\n\nDue to a wrong initialization, a process which should only be able to communicate internally within the device can be reached over the network via an open port. This leads to a device being inadvertently exposed and increased CPU cycles spent processing ingress packets.\nThis issue affects Junos OS Evolved:\n\n\n  *  All versions before 23.2R2-S7.7-EVO;\n  *  23.4 versions before 23.4R2-S8.11-EVO;\n  *  24.2 versions before 24.2R2-S5.6-EVO;\n  *  24.4 versions before 24.4R2-S4-EVO;\n  *  25.2 version before 25.2R2-S1-EVO;\n  *  25.4 versions before 25.4R1-S1-EVO.\n\n\n\n\n\nPlease note that this issue is similar to but not identical CVE-2026-33803.","status":"published","published":"2026-10-14T18:32:25Z","modified":"2026-10-14T18:32:26Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/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:U/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-923"],"updated_at":"2026-11-02T15:13:27.339015Z"}],"nvd":[{"id":"CVE-2026-102085","description":"An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.\n\nDue to a wrong initialization, a process which should only be able to communicate internally within the device can be reached over the network via an open port. This leads to a device being inadvertently exposed and increased CPU cycles spent processing ingress packets.\nThis issue affects Junos OS Evolved:\n\n\n  *  All versions before 23.2R2-S7.7-EVO;\n  *  23.4 versions before 23.4R2-S8.11-EVO;\n  *  24.2 versions before 24.2R2-S5.6-EVO;\n  *  24.4 versions before 24.4R2-S4-EVO;\n  *  25.2 version before 25.2R2-S1-EVO;\n  *  25.4 versions before 25.4R1-S1-EVO.\n\n\n\n\n\nPlease note that this issue is similar to but not identical CVE-2026-33803.","status":"published","published":"2026-10-14T17:18:04.477Z","modified":"2026-10-15T16:24:19.073Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/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:U/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-923"],"updated_at":"2026-11-02T14:12:59.328869Z"}]}}