{"cve":"CVE-2023-38556","nvd":{"published":"2023-08-02T08:15:09.910","modified":"2026-06-17T06:10:43.050","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":[],"references":["https://jvn.jp/en/jp/JVN61337171/","https://www.epson.jp/support/misc_t/230802_oshirase.htm","https://jvn.jp/en/jp/JVN61337171/","https://www.epson.jp/support/misc_t/230802_oshirase.htm"],"products":["epson:ep-801a_firmware","epson:ep-802a_firmware","epson:ep-901a_firmware","epson:ep-901f_firmware","epson:ep-902a_firmware","epson:pa-tcu1_firmware","epson:pm-t960_firmware","epson:pm-t990_firmware","epson:px-201_firmware","epson:px-502a_firmware","epson:px-601f_firmware","epson:px-602f_firmware"],"source":"nvd","synced_at":"2026-10-19T21:38:35.729974749+00:00"},"epss":{"cve":"CVE-2023-38556","score":0.00854,"percentile":0.58322,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}