{"id":"CVE-2019-12254","aliases":["EUVD-2019-3896","GHSA-rhv8-wfm8-gjqj"],"status":"published","title":"TECSON/GOK: Improper Authentication and Access Control on multiple devices","description":"In multiple Tecson Tankspion and GOKs SmartBox 4 products the affected application doesn't properly restrict access to an endpoint that is responsible for saving settings, to a unauthenticated user with limited access rights. Based on the lack of adequately implemented access-control rules, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to change the application settings without authenticating at all, which violates originally laid ACL rules.","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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01294,"percentile":0.70554,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2022-05-06T17:30:12Z","modified":"2026-06-17T02:14:18Z","products":[{"vendor":"gok","product":"smartbox 4 lan"},{"vendor":"gok","product":"smartbox 4 lan pro"},{"vendor":"gok","product":"smartbox_4_lan_firmware"},{"vendor":"gok","product":"smartbox_4_lan_pro_firmware"},{"vendor":"tecson","product":"e-litro net"},{"vendor":"tecson","product":"e-litro_net_firmware"},{"vendor":"tecson","product":"lx-net"},{"vendor":"tecson","product":"lx-net_firmware"},{"vendor":"tecson","product":"lx-q-net"},{"vendor":"tecson","product":"lx-q-net_firmware"}],"references":[{"url":"https://cert.vde.com/en/advisories/VDE-2019-012/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12254"},{"url":"https://github.com/advisories/GHSA-rhv8-wfm8-gjqj"}],"sources":{"cve":[{"id":"CVE-2019-12254","title":"TECSON/GOK: Improper Authentication and Access Control on multiple devices","description":"In multiple Tecson Tankspion and GOKs SmartBox 4 products the affected application doesn't properly restrict access to an endpoint that is responsible for saving settings, to a unauthenticated user with limited access rights. Based on the lack of adequately implemented access-control rules, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to change the application settings without authenticating at all, which violates originally laid ACL rules.","status":"published","published":"2022-05-06T17:30:12.071Z","modified":"2024-09-16T20:22:12.62Z","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":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:20:23.697579Z"}],"euvd":[{"id":"EUVD-2019-3896","description":"In multiple Tecson Tankspion and GOKs SmartBox 4 products the affected application doesn't properly restrict access to an endpoint that is responsible for saving settings, to a unauthenticated user with limited access rights. Based on the lack of adequately implemented access-control rules, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to change the application settings without authenticating at all, which violates originally laid ACL rules.","status":"published","published":"2022-05-06T17:30:12Z","modified":"2024-09-16T20:22:12Z","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"}],"updated_at":"2026-11-03T00:55:14.527578Z"}],"ghsa":[{"id":"GHSA-rhv8-wfm8-gjqj","title":"In multiple Tecson Tankspion and GOKs SmartBox 4 products the affected application doesn't...","description":"In multiple Tecson Tankspion and GOKs SmartBox 4 products the affected application doesn't properly restrict access to an endpoint that is responsible for saving settings, to a unauthenticated user with limited access rights. Based on the lack of adequately implemented access-control rules, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to change the application settings without authenticating at all, which violates originally laid ACL rules.","status":"published","published":"2022-05-07T00:00:36Z","modified":"2023-02-01T05:02:08Z","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-287"],"updated_at":"2026-11-02T14:49:51.128354Z"}],"nvd":[{"id":"CVE-2019-12254","description":"In multiple Tecson Tankspion and GOKs SmartBox 4 products the affected application doesn't properly restrict access to an endpoint that is responsible for saving settings, to a unauthenticated user with limited access rights. Based on the lack of adequately implemented access-control rules, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to change the application settings without authenticating at all, which violates originally laid ACL rules.","status":"published","published":"2022-05-06T18:15:08.397Z","modified":"2026-06-17T02:14:18.553Z","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":"secondary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:05:49.099942Z"}]}}