{"cve":"CVE-2019-12581","nvd":{"published":"2019-06-27T15:15:09.170","modified":"2026-06-17T02:14:54.480","status":"Modified","description":"A reflective Cross-site scripting (XSS) vulnerability in the free_time_failed.cgi CGI program in selected Zyxel ZyWall, USG, and UAG devices allows remote attackers to inject arbitrary web script or HTML via the err_msg parameter.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/","https://sec-consult.com/en/blog/advisories/reflected-cross-site-scripting-in-zxel-zywall/index.html","https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.shtml","https://www.zyxel.com/us/en/","https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/"],"products":["zyxel:uag2100_firmware","zyxel:uag4100_firmware","zyxel:uag5100_firmware","zyxel:usg1100_firmware","zyxel:usg110_firmware","zyxel:usg1900_firmware","zyxel:usg210_firmware","zyxel:usg2200-vpn_firmware","zyxel:usg310_firmware"],"source":"nvd","synced_at":"2026-10-19T20:57:00.690689396+00:00"},"epss":{"cve":"CVE-2019-12581","score":0.064,"percentile":0.93674,"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."]}