{"id":"CVE-2025-27020","aliases":["EUVD-2025-201700","GHSA-3645-f6qv-w99w"],"status":"published","title":"Improper configuration of SSH service in Infinera MTC-9","description":"Improper configuration of the SSH service in Infinera MTC-9 allows an unauthenticated attacker to execute arbitrary commands and access data on file system\n\n.\n\n\nThis issue affects MTC-9: from R22.1.1.0275 before R23.0.","severity":{"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","from":"cve"},"epss":{"day":"2026-11-12","score":0.00521,"percentile":0.44711,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2025-12-08T09:26:27Z","modified":"2026-10-07T20:10:01Z","products":[{"vendor":"infinera","product":"mtc-9"},{"vendor":"nokia","product":"infinera_mtc-9_firmware"}],"references":[{"url":"https://www.cvcn.gov.it/cvcn/cve/CVE-2025-27020","tags":["government-resource","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27020"},{"url":"https://github.com/advisories/GHSA-3645-f6qv-w99w"}],"sources":{"cve":[{"id":"CVE-2025-27020","title":"Improper configuration of SSH service in Infinera MTC-9","description":"Improper configuration of the SSH service in Infinera MTC-9 allows an unauthenticated attacker to execute arbitrary commands and access data on file system\n\n.\n\n\nThis issue affects MTC-9: from R22.1.1.0275 before R23.0.","status":"published","published":"2025-12-08T09:26:27.103Z","modified":"2025-12-08T17:26:10.346Z","cvss":[{"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-306"],"updated_at":"2026-11-02T14:32:42.411662Z"}],"euvd":[{"id":"EUVD-2025-201700","description":"Improper configuration of the SSH service in Infinera MTC-9 allows an unauthenticated attacker to execute arbitrary commands and access data on file system\n\n.\n\n\nThis issue affects MTC-9: from R22.1.1.0275 before R23.0.","status":"published","published":"2025-12-08T09:26:27Z","modified":"2025-12-08T17:26:10Z","cvss":[{"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"}],"updated_at":"2026-11-02T19:49:08.541096Z"}],"ghsa":[{"id":"GHSA-3645-f6qv-w99w","title":"Improper configuration of the SSH service in Infinera MTC-9 allows an unauthenticated attacker to...","description":"Improper configuration of the SSH service in Infinera MTC-9 allows an unauthenticated attacker to execute arbitrary commands and access data on file system\n\n.\n\n\nThis issue affects MTC-9: from R22.1.1.0275 before R23.0.","status":"published","published":"2025-12-08T12:30:25Z","modified":"2025-12-08T12:30:26Z","cvss":[{"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-306"],"updated_at":"2026-11-02T15:05:04.946755Z"}],"nvd":[{"id":"CVE-2025-27020","description":"Improper configuration of the SSH service in Infinera MTC-9 allows an unauthenticated attacker to execute arbitrary commands and access data on file system\n\n.\n\n\nThis issue affects MTC-9: from R22.1.1.0275 before R23.0.","status":"published","published":"2025-12-08T10:16:01.427Z","modified":"2026-10-07T20:10:01.97Z","cvss":[{"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-306"],"updated_at":"2026-11-02T14:11:49.093461Z"}]}}