{"id":"CVE-2023-38556","aliases":["EUVD-2023-42355","GHSA-whxf-cw32-jmhm"],"status":"published","title":"Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote...","description":"Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote attacker to turned off the printer.\r\n[Note] Web Config is the software that allows users to check the status and change the settings of SEIKO EPSON printers via a web browser. Web Config is pre-installed in some printers provided by SEIKO EPSON CORPORATION. For the details of the affected product names/model numbers, refer to the information provided by the vendor.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00854,"percentile":0.58748,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-08-02T07:19:26Z","modified":"2026-06-17T06:10:43Z","products":[{"vendor":"epson","product":"ep-801a_firmware"},{"vendor":"epson","product":"ep-802a_firmware"},{"vendor":"epson","product":"ep-901a_firmware"},{"vendor":"epson","product":"ep-901f_firmware"},{"vendor":"epson","product":"ep-902a_firmware"},{"vendor":"epson","product":"pa-tcu1_firmware"},{"vendor":"epson","product":"pm-t960_firmware"},{"vendor":"epson","product":"pm-t990_firmware"},{"vendor":"epson","product":"px-201_firmware"},{"vendor":"epson","product":"px-502a_firmware"},{"vendor":"epson","product":"px-601f_firmware"},{"vendor":"epson","product":"px-602f_firmware"},{"vendor":"seiko epson corporation","product":"seiko epson printer web config"}],"references":[{"url":"https://www.epson.jp/support/misc_t/230802_oshirase.htm","tags":["x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN61337171/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38556"},{"url":"https://jvn.jp/en/jp/JVN61337171"},{"url":"https://github.com/advisories/GHSA-whxf-cw32-jmhm"}],"sources":{"cve":[{"id":"CVE-2023-38556","description":"Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote attacker to turned off the printer.\r\n[Note] Web Config is the software that allows users to check the status and change the settings of SEIKO EPSON printers via a web browser. Web Config is pre-installed in some printers provided by SEIKO EPSON CORPORATION. For the details of the affected product names/model numbers, refer to the information provided by the vendor.","status":"published","published":"2023-08-02T07:19:26.549Z","modified":"2024-10-21T20:04:46.984Z","updated_at":"2026-11-02T14:35:29.772612Z"}],"euvd":[{"id":"EUVD-2023-42355","description":"Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote attacker to turned off the printer.\r\n[Note] Web Config is the software that allows users to check the status and change the settings of SEIKO EPSON printers via a web browser. Web Config is pre-installed in some printers provided by SEIKO EPSON CORPORATION. For the details of the affected product names/model numbers, refer to the information provided by the vendor.","status":"published","published":"2023-08-02T07:19:26Z","modified":"2024-10-21T20:04:46Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"none"}],"updated_at":"2026-11-03T00:05:23.140259Z"}],"ghsa":[{"id":"GHSA-whxf-cw32-jmhm","title":"Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote...","description":"Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote attacker to turned off the printer.\n[Note] Web Config is the software that allows users to check the status and change the settings of SEIKO EPSON printers via a web browser. Web Config is pre-installed in some printers provided by SEIKO EPSON CORPORATION. For the details of the affected product names/model numbers, refer to the information provided by the vendor.","status":"published","published":"2023-08-02T09:32:23Z","modified":"2024-04-04T06:29:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:56:42.669106Z"}],"nvd":[{"id":"CVE-2023-38556","description":"Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote attacker to turned off the printer.\r\n[Note] Web Config is the software that allows users to check the status and change the settings of SEIKO EPSON printers via a web browser. Web Config is pre-installed in some printers provided by SEIKO EPSON CORPORATION. For the details of the affected product names/model numbers, refer to the information provided by the vendor.","status":"published","published":"2023-08-02T08:15:09.91Z","modified":"2026-06-17T06:10:43.05Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:08:20.798312Z"}]}}