{"id":"CVE-2026-80253","aliases":["EUVD-2026-70367","GHSA-9whx-x3gf-f75p"],"status":"published","title":"An improper physical access control issue exists in ShizenBox2 (dev-conf). If exploited, an...","description":"An improper physical access control issue exists in ShizenBox2 (dev-conf). If exploited, an attacker with physical access to the product may execute bootloader commands without authentication.","severity":{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0033,"percentile":0.2637,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1263"],"published":"2026-09-03T08:54:08Z","modified":"2026-09-03T17:30:37Z","products":[{"vendor":"shizen connect inc.","product":"shizenbox2 (dev-conf)"}],"references":[{"url":"https://www.se-digital.net/wp-content/uploads/2026/08/CVE-2026-80253.pdf"},{"url":"https://jvn.jp/en/jp/JVN91715694/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80253"},{"url":"https://jvn.jp/en/jp/JVN91715694"},{"url":"https://github.com/advisories/GHSA-9whx-x3gf-f75p"}],"sources":{"cve":[{"id":"CVE-2026-80253","description":"An improper physical access control issue exists in ShizenBox2 (dev-conf). If exploited, an attacker with physical access to the product may execute bootloader commands without authentication.","status":"published","published":"2026-09-03T08:54:08.668Z","modified":"2026-09-03T13:07:59.048Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"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":"cna"}],"cwes":["CWE-1263"],"updated_at":"2026-11-02T13:45:25.313702Z"}],"euvd":[{"id":"EUVD-2026-70367","description":"An improper physical access control issue exists in ShizenBox2 (dev-conf). If exploited, an attacker with physical access to the product may execute bootloader commands without authentication.","status":"published","published":"2026-09-03T08:54:08Z","modified":"2026-09-03T13:07:59Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:14.198061Z"}],"ghsa":[{"id":"GHSA-9whx-x3gf-f75p","title":"An improper physical access control issue exists in ShizenBox2 (dev-conf). If exploited, an...","description":"An improper physical access control issue exists in ShizenBox2 (dev-conf). If exploited, an attacker with physical access to the product may execute bootloader commands without authentication.","status":"published","published":"2026-09-03T15:32:13Z","modified":"2026-09-03T15:32:14Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"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-1263"],"updated_at":"2026-11-02T15:11:18.49317Z"}],"nvd":[{"id":"CVE-2026-80253","description":"An improper physical access control issue exists in ShizenBox2 (dev-conf). If exploited, an attacker with physical access to the product may execute bootloader commands without authentication.","status":"published","published":"2026-09-03T13:06:10.587Z","modified":"2026-09-03T17:30:37.197Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"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":"secondary"}],"cwes":["CWE-1263"],"updated_at":"2026-11-02T14:12:43.399612Z"}]}}