{"id":"CVE-2021-4459","aliases":["EUVD-2021-34684","GHSA-qm93-m2hc-9vjf"],"status":"published","title":"SMA: Directory Traversal in Sunny Boy \u003c3.10.27.R","description":"An authorized remote attacker can access files and directories outside the intended web root, potentially exposing sensitive system information of the affected Sunny Boy devices.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00671,"percentile":0.52312,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-23"],"published":"2025-08-27T08:00:35Z","modified":"2026-06-17T04:19:48Z","products":[{"vendor":"sma","product":"boy 3.0"},{"vendor":"sma","product":"boy 3.6"},{"vendor":"sma","product":"boy 4.0"},{"vendor":"sma","product":"boy 5.0"},{"vendor":"sma","product":"boy 6.0"}],"references":[{"url":"https://certvde.com/en/advisories/VDE-2025-066"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4459"},{"url":"https://github.com/advisories/GHSA-qm93-m2hc-9vjf"}],"sources":{"cve":[{"id":"CVE-2021-4459","title":"SMA: Directory Traversal in Sunny Boy \u003c3.10.27.R","description":"An authorized remote attacker can access files and directories outside the intended web root, potentially exposing sensitive system information of the affected Sunny Boy devices.","status":"published","published":"2025-08-27T08:00:35.837Z","modified":"2025-08-27T16:18:45.427Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-34684","description":"An authorized remote attacker can access files and directories outside the intended web root, potentially exposing sensitive system information of the affected Sunny Boy devices.","status":"published","published":"2025-08-27T08:00:35Z","modified":"2025-08-27T16:18:45Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:31:51.67789Z"}],"ghsa":[{"id":"GHSA-qm93-m2hc-9vjf","title":"An authorized remote attacker can access files and directories outside the intended web root,...","description":"An authorized remote attacker can access files and directories outside the intended web root, potentially exposing sensitive system information of the affected Sunny Boy devices.","status":"published","published":"2025-08-27T09:30:32Z","modified":"2025-08-27T09:32:05Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T15:03:24.943278Z"}],"nvd":[{"id":"CVE-2021-4459","description":"An authorized remote attacker can access files and directories outside the intended web root, potentially exposing sensitive system information of the affected Sunny Boy devices.","status":"published","published":"2025-08-27T08:15:31.937Z","modified":"2026-06-17T04:19:48.113Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}