{"id":"CVE-2016-4845","aliases":["EUVD-2016-5827","GHSA-f4m6-6rf4-xgc8"],"status":"published","title":"Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0,...","description":"Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0, HVL-AT1.0S, HVL-AT2.0, HVL-AT3.0, HVL-AT4.0, HVL-AT2.0A, HVL-AT3.0A, and HVL-AT4.0A devices with firmware before 2.04 allows remote attackers to hijack the authentication of arbitrary users for requests that delete content.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02385,"percentile":0.84033,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-352"],"published":"2016-09-24T10:00:00Z","modified":"2026-06-17T00:48:19Z","exploits":[{"source":"pocgithub","id":"kaito834/cve-2016-4845_csrf","title":"kaito834/cve-2016-4845_csrf","date":"2016-08-21","url":"https://github.com/kaito834/cve-2016-4845_csrf"}],"products":[{"vendor":"iodata","product":"hvl-a2.0_firmware"},{"vendor":"iodata","product":"hvl-a3.0_firmware"},{"vendor":"iodata","product":"hvl-a4.0_firmware"},{"vendor":"iodata","product":"hvl-at1.0s_firmware"},{"vendor":"iodata","product":"hvl-at2.0_firmware"},{"vendor":"iodata","product":"hvl-at2.0a_firmware"},{"vendor":"iodata","product":"hvl-at3.0_firmware"},{"vendor":"iodata","product":"hvl-at3.0a_firmware"},{"vendor":"iodata","product":"hvl-at4.0_firmware"},{"vendor":"iodata","product":"hvl-at4.0a_firmware"}],"references":[{"url":"http://www.iodata.jp/support/information/2016/hvl-a_csrf/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://jvndb.jvn.jp/jvndb/JVNDB-2016-000134","tags":["third-party-advisory","x_refsource_JVNDB","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/92352","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://jvn.jp/en/jp/JVN35062083/index.html","tags":["third-party-advisory","x_refsource_JVN","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4845"},{"url":"http://www.iodata.jp/support/information/2016/hvl-a_csrf"},{"url":"https://github.com/advisories/GHSA-f4m6-6rf4-xgc8"}],"sources":{"cve":[{"id":"CVE-2016-4845","description":"Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0, HVL-AT1.0S, HVL-AT2.0, HVL-AT3.0, HVL-AT4.0, HVL-AT2.0A, HVL-AT3.0A, and HVL-AT4.0A devices with firmware before 2.04 allows remote attackers to hijack the authentication of arbitrary users for requests that delete content.","status":"published","published":"2016-09-24T10:00:00Z","modified":"2024-08-06T00:39:26.305Z","updated_at":"2026-11-02T14:33:35.488991Z"}],"euvd":[{"id":"EUVD-2016-5827","description":"Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0, HVL-AT1.0S, HVL-AT2.0, HVL-AT3.0, HVL-AT4.0, HVL-AT2.0A, HVL-AT3.0A, and HVL-AT4.0A devices with firmware before 2.04 allows remote attackers to hijack the authentication of arbitrary users for requests that delete content.","status":"published","published":"2016-09-24T10:00:00Z","modified":"2024-08-06T00:39:26Z","updated_at":"2026-11-03T02:22:44.916959Z"}],"ghsa":[{"id":"GHSA-f4m6-6rf4-xgc8","title":"Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0,...","description":"Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0, HVL-AT1.0S, HVL-AT2.0, HVL-AT3.0, HVL-AT4.0, HVL-AT2.0A, HVL-AT3.0A, and HVL-AT4.0A devices with firmware before 2.04 allows remote attackers to hijack the authentication of arbitrary users for requests that delete content.","status":"published","published":"2022-05-17T02:58:39Z","modified":"2025-04-12T13:04:32Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:01:29.190007Z"}],"nvd":[{"id":"CVE-2016-4845","description":"Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0, HVL-AT1.0S, HVL-AT2.0, HVL-AT3.0, HVL-AT4.0, HVL-AT2.0A, HVL-AT3.0A, and HVL-AT4.0A devices with firmware before 2.04 allows remote attackers to hijack the authentication of arbitrary users for requests that delete content.","status":"published","published":"2016-09-24T10:59:01.243Z","modified":"2026-06-17T00:48:19.253Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:03:29.893676Z"}]}}