{"id":"CVE-2023-23906","aliases":["EUVD-2023-27989","GHSA-w9q9-jw2h-8gp3"],"status":"published","title":"Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0...","description":"Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to execute some critical functions without authentication, e.g., rebooting the product.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01302,"percentile":0.70662,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2023-05-10T00:00:00Z","modified":"2026-06-17T05:38:14Z","products":[{"vendor":"seiko solutions inc.","product":"skybridge mb-a100/110"},{"vendor":"seiko-sol","product":"skybridge_mb-a100_firmware"},{"vendor":"seiko-sol","product":"skybridge_mb-a110_firmware"}],"references":[{"url":"https://www.seiko-sol.co.jp/archives/73969/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a100/","tags":["x_transferred","Product"]},{"url":"https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a200/","tags":["x_transferred","Product"]},{"url":"https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a130/","tags":["x_transferred","Product"]},{"url":"https://www.seiko-sol.co.jp/products/skyspider/skyspider_download/mb-r210/","tags":["x_transferred","Product"]},{"url":"https://jvn.jp/en/jp/JVN40604023/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23906"},{"url":"https://jvn.jp/en/jp/JVN40604023"},{"url":"https://www.seiko-sol.co.jp/archives/73969"},{"url":"https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a100"},{"url":"https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a130"},{"url":"https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a200"},{"url":"https://www.seiko-sol.co.jp/products/skyspider/skyspider_download/mb-r210"},{"url":"https://github.com/advisories/GHSA-w9q9-jw2h-8gp3"}],"sources":{"cve":[{"id":"CVE-2023-23906","description":"Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to execute some critical functions without authentication, e.g., rebooting the product.","status":"published","published":"2023-05-10T00:00:00Z","modified":"2025-01-28T16:35:14.592Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:35:21.232549Z"}],"euvd":[{"id":"EUVD-2023-27989","description":"Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to execute some critical functions without authentication, e.g., rebooting the product.","status":"published","published":"2023-05-10T00:00:00Z","modified":"2025-01-28T16:35:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:11.289823Z"}],"ghsa":[{"id":"GHSA-w9q9-jw2h-8gp3","title":"Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0...","description":"Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to execute some critical functions without authentication, e.g., rebooting the product.","status":"published","published":"2023-05-10T06:30:28Z","modified":"2024-04-04T03:58:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:56:20.113325Z"}],"nvd":[{"id":"CVE-2023-23906","description":"Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to execute some critical functions without authentication, e.g., rebooting the product.","status":"published","published":"2023-05-10T06:15:12.007Z","modified":"2026-06-17T05:38:14.557Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:08:01.131774Z"}]}}