{"cve":{"cve_id":"CVE-2025-21589","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01434,"epss_percentile":0.69635,"epss_as_of":"2026-06-23","description":"An Authentication Bypass Using an\nAlternate Path or Channel vulnerability in Juniper Networks Session Smart\nRouter may allows a network-based attacker to bypass authentication\nand take administrative control of the device.\n\nThis issue affects Session Smart Router: \n\n\n\n  *  from 5.6.7 before 5.6.17, \n  *  from 6.0 before 6.0.8 (affected from 6.0.8),\n\n  *  from 6.1 before 6.1.12-lts, \n  *  from 6.2 before 6.2.8-lts, \n  *  from 6.3 before 6.3.3-r2; \n\n\n\n\nThis issue affects Session Smart Conductor: \n\n\n\n  *  from 5.6.7 before 5.6.17, \n  *  from 6.0 before 6.0.8 (affected from 6.0.8),\n\n  *  from 6.1 before 6.1.12-lts, \n  *  from 6.2 before 6.2.8-lts, \n  *  from 6.3 before 6.3.3-r2; \n\n\n\n\nThis issue affects WAN Assurance Managed Routers: \n\n\n\n  *  from 5.6.7 before 5.6.17, \n  *  from 6.0 before 6.0.8 (affected from 6.0.8),\n\n  *  from 6.1 before 6.1.12-lts, \n  *  from 6.2 before 6.2.8-lts, \n  *  from 6.3 before 6.3.3-r2.","published_at":"2026-01-27T20:32:13.334000Z","last_modified_at":null,"cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":9.3,"cvss_v4_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:N","cvss_v4_severity":"CRITICAL","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-288"],"nvd_references":["https://supportportal.juniper.net/","https://support.juniper.net/support/eol/software/ssr/","https://kb.juniper.net/JSA94663"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:25:41.289332Z"},"effective_severity":"CRITICAL","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"juniper-networks","vendor_name":"Juniper Networks","product_slug":"session-smart-conductor","product_name":"Session Smart Conductor","version_start":"5.6.7","version_start_inclusive":true,"version_end":"5.6.17","version_end_inclusive":false,"cpe23_uri":"cve5:juniper-networks:session-smart-conductor:5.6.7:5.6.17"},{"vendor_slug":"juniper-networks","vendor_name":"Juniper Networks","product_slug":"session-smart-conductor","product_name":"Session Smart Conductor","version_start":"6.0","version_start_inclusive":true,"version_end":"6.0.8","version_end_inclusive":false,"cpe23_uri":"cve5:juniper-networks:session-smart-conductor:6.0:6.0.8"},{"vendor_slug":"juniper-networks","vendor_name":"Juniper Networks","product_slug":"session-smart-conductor","product_name":"Session Smart Conductor","version_start":"6.1","version_start_inclusive":true,"version_end":"6.1.12-lts","version_end_inclusive":false,"cpe23_uri":"cve5:juniper-networks:session-smart-conductor:6.1:6.1.12-lts"},{"vendor_slug":"juniper-networks","vendor_name":"Juniper Networks","product_slug":"session-smart-conductor","product_name":"Session Smart Conductor","version_start":"6.2","version_start_inclusive":true,"version_end":"6.2.8-lts","version_end_inclusive":false,"cpe23_uri":"cve5:juniper-networks:session-smart-conductor:6.2:6.2.8-lts"},{"vendor_slug":"juniper-networks","vendor_name":"Juniper Networks","product_slug":"session-smart-conductor","product_name":"Session Smart Conductor","version_start":"6.3","version_start_inclusive":true,"version_end":"6.3.3-r2","version_end_inclusive":false,"cpe23_uri":"cve5:juniper-networks:session-smart-conductor:6.3:6.3.3-r2"},{"vendor_slug":"juniper-networks","vendor_name":"Juniper Networks","product_slug":"session-smart-router","product_name":"Session Smart Router","version_start":"5.6.7","version_start_inclusive":true,"version_end":"5.6.17","version_end_inclusive":false,"cpe23_uri":"cve5:juniper-networks:session-smart-router:5.6.7:5.6.17"},{"vendor_slug":"juniper-networks","vendor_name":"Juniper Networks","product_slug":"session-smart-router","product_name":"Session Smart Router","version_start":"6.0","version_start_inclusive":true,"version_end":"6.0.8","version_end_inclusive":false,"cpe23_uri":"cve5:juniper-networks:session-smart-router:6.0:6.0.8"},{"vendor_slug":"juniper-networks","vendor_name":"Juniper 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Networks","product_slug":"wan-assurance-managed-router","product_name":"WAN Assurance Managed Router","version_start":"5.6.7","version_start_inclusive":true,"version_end":"5.6.17","version_end_inclusive":false,"cpe23_uri":"cve5:juniper-networks:wan-assurance-managed-router:5.6.7:5.6.17"},{"vendor_slug":"juniper-networks","vendor_name":"Juniper Networks","product_slug":"wan-assurance-managed-router","product_name":"WAN Assurance Managed Router","version_start":"6.0","version_start_inclusive":true,"version_end":"6.0.8","version_end_inclusive":false,"cpe23_uri":"cve5:juniper-networks:wan-assurance-managed-router:6.0:6.0.8"},{"vendor_slug":"juniper-networks","vendor_name":"Juniper Networks","product_slug":"wan-assurance-managed-router","product_name":"WAN Assurance Managed 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Router","version_start":"6.3","version_start_inclusive":true,"version_end":"6.3.3-r2","version_end_inclusive":false,"cpe23_uri":"cve5:juniper-networks:wan-assurance-managed-router:6.3:6.3.3-r2"}],"exploit_refs":[],"news":[],"references":[{"url":"https://supportportal.juniper.net/","source_type":"MISC","tags":[]},{"url":"https://support.juniper.net/support/eol/software/ssr/","source_type":"MISC","tags":[]},{"url":"https://kb.juniper.net/JSA94663","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-01-27T20:32:13.334000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:43:14.995475Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:43:14.995475Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:43:14.995475Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:43:14.995475Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:43:14.995475Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:43:14.995475Z","label":"CVSS score revised","source":"cvelistv5"}]}