{"id":"CVE-2020-8974","aliases":["EUVD-2020-29804","GHSA-hrxj-958h-7348"],"status":"published","title":"ZGR TPS200 NG Missing Reference to Active Allocated Resource","description":"In ZGR TPS200 NG 2.00 firmware version and 1.01 hardware version, the firmware upload process does not perform any type of restriction. This allows an attacker to modify it and re-upload it via web with malicious modifications, rendering the device unusable.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00842,"percentile":0.58197,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2022-10-17T21:16:42Z","modified":"2026-06-17T03:27:17Z","products":[{"vendor":"zgr","product":"zgr tps200 ng"},{"vendor":"zigor","product":"zgr_tps200_ng_firmware"}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-zgr-tps200-ng","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8974"},{"url":"https://www.incibe-cert.es/en/early-warning/ics-advisories/multiple-vulnerabilities-zgr-tps200-ng"},{"url":"https://github.com/advisories/GHSA-hrxj-958h-7348"}],"sources":{"cve":[{"id":"CVE-2020-8974","title":"ZGR TPS200 NG Missing Reference to Active Allocated Resource","description":"In ZGR TPS200 NG 2.00 firmware version and 1.01 hardware version, the firmware upload process does not perform any type of restriction. This allows an attacker to modify it and re-upload it via web with malicious modifications, rendering the device unusable.","status":"published","published":"2022-10-17T21:16:42.734Z","modified":"2025-05-13T15:00:47.241Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29804","description":"In ZGR TPS200 NG 2.00 firmware version and 1.01 hardware version, the firmware upload process does not perform any type of restriction. This allows an attacker to modify it and re-upload it via web with malicious modifications, rendering the device unusable.","status":"published","published":"2022-10-17T21:16:42Z","modified":"2025-05-13T15:00:47Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:32:48.910403Z"}],"ghsa":[{"id":"GHSA-hrxj-958h-7348","title":"In ZGR TPS200 NG 2.00 firmware version and 1.01 hardware version, the firmware upload process...","description":"In ZGR TPS200 NG 2.00 firmware version and 1.01 hardware version, the firmware upload process does not perform any type of restriction. This allows an attacker to modify it and re-upload it via web with malicious modifications, rendering the device unusable.","status":"published","published":"2022-10-18T12:00:31Z","modified":"2023-11-09T18:34:54Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:54:56.096891Z"}],"nvd":[{"id":"CVE-2020-8974","description":"In ZGR TPS200 NG 2.00 firmware version and 1.01 hardware version, the firmware upload process does not perform any type of restriction. This allows an attacker to modify it and re-upload it via web with malicious modifications, rendering the device unusable.","status":"published","published":"2022-10-17T22:15:10.11Z","modified":"2026-06-17T03:27:17.093Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:47.286386Z"}]}}