{"id":"CVE-2017-11400","aliases":["EUVD-2017-3027","GHSA-mrc4-5458-65m9"],"status":"published","title":"An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2...","description":"An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. An incomplete firmware signature allows a local attacker to upgrade the equipment (kernel, file system) with unsigned, attacker-controlled, data. This occurs because the appliance_config file is signed but the .tar.sec file is unsigned.","severity":{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00273,"percentile":0.19753,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2017-11-20T15:00:00Z","modified":"2026-06-17T01:01:44Z","products":[{"vendor":"belden","product":"tofino_xenon_security_appliance_firmware"}],"references":[{"url":"https://www.belden.com/hubfs/support/security/bulletins/Belden-Security-Bulletin-BSECV-2017-14-1v1-1.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://github.com/airbus-seclab/security-advisories/blob/master/belden/tofino.txt","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11400"},{"url":"https://github.com/advisories/GHSA-mrc4-5458-65m9"}],"sources":{"cve":[{"id":"CVE-2017-11400","description":"An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. An incomplete firmware signature allows a local attacker to upgrade the equipment (kernel, file system) with unsigned, attacker-controlled, data. This occurs because the appliance_config file is signed but the .tar.sec file is unsigned.","status":"published","published":"2017-11-20T15:00:00Z","modified":"2024-08-05T18:05:30.557Z","updated_at":"2026-11-02T14:33:19.848632Z"}],"euvd":[{"id":"EUVD-2017-3027","description":"An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. An incomplete firmware signature allows a local attacker to upgrade the equipment (kernel, file system) with unsigned, attacker-controlled, data. This occurs because the appliance_config file is signed but the .tar.sec file is unsigned.","status":"published","published":"2017-11-20T15:00:00Z","modified":"2024-08-05T18:05:30Z","updated_at":"2026-11-03T02:23:23.645757Z"}],"ghsa":[{"id":"GHSA-mrc4-5458-65m9","title":"An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2...","description":"An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. An incomplete firmware signature allows a local attacker to upgrade the equipment (kernel, file system) with unsigned, attacker-controlled, data. This occurs because the appliance_config file is signed but the .tar.sec file is unsigned.","status":"published","published":"2022-05-13T01:42:17Z","modified":"2023-02-02T05:00:49Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:51:02.804004Z"}],"nvd":[{"id":"CVE-2017-11400","description":"An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. An incomplete firmware signature allows a local attacker to upgrade the equipment (kernel, file system) with unsigned, attacker-controlled, data. This occurs because the appliance_config file is signed but the .tar.sec file is unsigned.","status":"published","published":"2017-11-20T15:29:00.23Z","modified":"2026-06-17T01:01:44.753Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:04:09.7374Z"}]}}