{"id":"CVE-2020-14500","aliases":["EUVD-2020-6636","GHSA-q46g-g86v-m5qx"],"status":"published","title":"IMPROPER NEUTRALIZATION OF NULL BYTE OR NUL CHARACTER CWE-158","description":"Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01666,"percentile":0.77048,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-158","CWE-476"],"published":"2020-08-25T13:12:30Z","modified":"2026-06-17T02:54:52Z","products":[{"vendor":"secomea","product":"gatemanager_8250_firmware"},{"vendor":"secomea gatemanager all versions prior to 9.2c","product":"secomea gatemanager all versions prior to 9.2c"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-210-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14500"},{"url":"https://github.com/advisories/GHSA-q46g-g86v-m5qx"}],"sources":{"cve":[{"id":"CVE-2020-14500","title":"IMPROPER NEUTRALIZATION OF NULL BYTE OR NUL CHARACTER CWE-158","description":"Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.","status":"published","published":"2020-08-25T13:12:30.705Z","modified":"2024-09-17T03:34:07.63Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-158"],"updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2020-6636","description":"Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.","status":"published","published":"2020-08-25T13:12:30Z","modified":"2024-09-17T03:34:07Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:28:30.770637Z"}],"ghsa":[{"id":"GHSA-q46g-g86v-m5qx","title":"Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and...","description":"Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.","status":"published","published":"2022-05-24T17:26:28Z","modified":"2023-01-29T05:03:48Z","updated_at":"2026-11-02T14:45:24.208268Z"}],"nvd":[{"id":"CVE-2020-14500","description":"Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.","status":"published","published":"2020-08-25T14:15:15.59Z","modified":"2026-06-17T02:54:52.78Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"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-158","CWE-476"],"updated_at":"2026-11-02T14:06:13.600965Z"}]}}