{"cve":"CVE-2016-4820","nvd":{"published":"2016-06-19T01:59:13.857","modified":"2026-06-17T00:48:16.700","status":"Modified","description":"Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE ETX-R devices allows remote attackers to hijack the authentication of arbitrary users.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-352"],"references":["http://jvn.jp/en/jp/JVN61317238/index.html","http://jvndb.jvn.jp/jvndb/JVNDB-2016-000100","http://www.iodata.jp/support/information/2016/etx-r/","http://jvn.jp/en/jp/JVN61317238/index.html","http://jvndb.jvn.jp/jvndb/JVNDB-2016-000100"],"products":["iodata:etx-r_firmware"],"source":"nvd","synced_at":"2026-10-19T20:38:51.654415212+00:00"},"epss":{"cve":"CVE-2016-4820","score":0.00629,"percentile":0.5015,"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."]}