{"id":"CVE-2017-5159","aliases":["EUVD-2017-14268","GHSA-xh78-5j99-gwm4"],"status":"published","title":"An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0...","description":"An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0. When updating an mGuard device to Version 8.4.0 via the update-upload facility, the update will succeed, but it will reset the password of the admin user to its default value.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02428,"percentile":0.84341,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-99"],"published":"2017-02-13T21:00:00Z","modified":"2026-06-17T01:20:04Z","products":[{"vendor":"phoenixcontact","product":"mguard_firmware"}],"references":[{"url":"http://www.securityfocus.com/bid/95648","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-17-017-01","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-5159"},{"url":"https://github.com/advisories/GHSA-xh78-5j99-gwm4"}],"sources":{"cve":[{"id":"CVE-2017-5159","description":"An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0. When updating an mGuard device to Version 8.4.0 via the update-upload facility, the update will succeed, but it will reset the password of the admin user to its default value.","status":"published","published":"2017-02-13T21:00:00Z","modified":"2024-08-05T14:55:34.991Z","updated_at":"2026-11-02T14:33:12.942409Z"}],"euvd":[{"id":"EUVD-2017-14268","description":"An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0. When updating an mGuard device to Version 8.4.0 via the update-upload facility, the update will succeed, but it will reset the password of the admin user to its default value.","status":"published","published":"2017-02-13T21:00:00Z","modified":"2024-08-05T14:55:34Z","updated_at":"2026-11-03T02:39:16.959487Z"}],"ghsa":[{"id":"GHSA-xh78-5j99-gwm4","title":"An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0...","description":"An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0. When updating an mGuard device to Version 8.4.0 via the update-upload facility, the update will succeed, but it will reset the password of the admin user to its default value.","status":"published","published":"2022-05-13T01:06:56Z","modified":"2023-02-01T05:03:06Z","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-99"],"updated_at":"2026-11-02T14:50:01.019018Z"}],"nvd":[{"id":"CVE-2017-5159","description":"An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0. When updating an mGuard device to Version 8.4.0 via the update-upload facility, the update will succeed, but it will reset the password of the admin user to its default value.","status":"published","published":"2017-02-13T21:59:02.8Z","modified":"2026-06-17T01:20:04.19Z","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":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-99"],"updated_at":"2026-11-02T14:03:43.325192Z"}]}}