{"id":"CVE-2026-103400","title":"Session Smart Router and Session Smart Conductor: Crafted directory names cause arbitrary filesystem unmounting during service cleanup","summary":"An Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the ember service in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker with local a…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-74"],"vendor":"Juniper Networks","product":"Session Smart Router","affected":["session_smart_router < 7.0.5","session_smart_router >= 7.1.0 < 7.1.7","session_smart_router >= 7.2.0 < 7.2.3","session_smart_conductor < 7.0.5","session_smart_conductor >= 7.1.0 < 7.1.7","session_smart_conductor >= 7.2.0 < 7.2.3"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-29T01:37:46.030388Z"},"published":"2026-10-28","updated":"2026-10-29","sourceUpdated":"2026-10-29T01:52:03.696Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103400","references":[{"url":"https://supportportal.juniper.net/JSA112183"}],"tags":["cve.org"],"epss":0.00177,"epssPercentile":0.07201,"ingestedAt":"2026-10-28T17:14:44.485Z","slug":"CVE-2026-103400","body":"## Overview\n\nAn Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the ember service in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker with local access to unmount arbitrary filesystems or cause a denial of service via the creation of specially named directories and a service restart.\n\n## Affected\n\n- `session_smart_router < 7.0.5`\n- `session_smart_router >= 7.1.0 < 7.1.7`\n- `session_smart_router >= 7.2.0 < 7.2.3`\n- `session_smart_conductor < 7.0.5`\n- `session_smart_conductor >= 7.1.0 < 7.1.7`\n- `session_smart_conductor >= 7.2.0 < 7.2.3`\n\n## Remediation\n\nThe following software releases of Session Smart Router and Session Smart Conductor have been updated to resolve these specific issues:\n  *  7.0.5 \n\nand all subsequent releases;\n  *  7.1.7 \n\nand all subsequent releases;\n  *  7.2.3 and all subsequent releases.\n\n### Workarounds\n\nThere are no known workarounds for this issue.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}