{"cve":"CVE-2018-20218","nvd":{"published":"2019-03-21T16:00:35.250","modified":"2026-06-17T01:52:28.157","status":"Modified","description":"An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. The login form passes user input directly to a shell command without any kind of escaping or validation in /usr/share/www/check.lp file. An attacker is able to perform command injection using the \"password\" parameter in the login form.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-78"],"references":["http://seclists.org/fulldisclosure/2019/Feb/48","https://zxsecurity.co.nz/research.html","http://seclists.org/fulldisclosure/2019/Feb/48","https://zxsecurity.co.nz/research.html"],"products":["teracue:enc-400_hdmi2_firmware","teracue:enc-400_hdmi_firmware","teracue:enc-400_hdsdi_firmware"],"source":"nvd","synced_at":"2026-10-19T20:55:22.313337056+00:00"},"epss":{"cve":"CVE-2018-20218","score":0.10735,"percentile":0.95824,"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."]}