{"id":"CVE-2025-27020","title":"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.","summary":"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":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-306"],"vendor":"nokia","product":"infinera_mtc-9_firmware","affected":["infinera_mtc-9_firmware >= 22.1.1.0275, < 23.0"],"patched":["infinera_mtc-9_firmware 23.0"],"published":"2025-12-08","updated":"2026-09-30","sourceUpdated":"2026-09-30T23:10:00.237","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-27020","references":[{"url":"https://www.cvcn.gov.it/cvcn/cve/CVE-2025-27020","label":"a6d3dc9e-0591-4a13-bce7-0f5b31ff6158"}],"tags":["nvd"],"epss":0.00502,"epssPercentile":0.40643,"ingestedAt":"2026-09-30T23:29:32.477Z","slug":"CVE-2025-27020","body":"## Overview\n\nImproper 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.\n\n## Affected\n\n- `infinera_mtc-9_firmware >= 22.1.1.0275, < 23.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `infinera_mtc-9_firmware 23.0`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}