{"id":"CVE-2021-20647","aliases":["EUVD-2021-8065","GHSA-95x3-j4xq-37g5"],"status":"published","title":"Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers...","description":"Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified vector. As a result, the device settings may be altered and/or telnet daemon may be started.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00522,"percentile":0.44785,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2021-02-12T06:15:49Z","modified":"2026-06-17T03:34:10Z","products":[{"vendor":"elecom","product":"wrc-300febk-s_firmware"},{"vendor":"elecom co.,ltd.","product":"wrc-300febk-s"}],"references":[{"url":"https://www.elecom.co.jp/news/security/20210126-01/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN47580234/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20647"},{"url":"https://github.com/advisories/GHSA-95x3-j4xq-37g5"}],"sources":{"cve":[{"id":"CVE-2021-20647","description":"Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified vector. As a result, the device settings may be altered and/or telnet daemon may be started.","status":"published","published":"2021-02-12T06:15:49Z","modified":"2024-08-03T17:45:45.337Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8065","description":"Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified vector. As a result, the device settings may be altered and/or telnet daemon may be started.","status":"published","published":"2021-02-12T06:15:49Z","modified":"2024-08-03T17:45:45Z","updated_at":"2026-11-03T03:25:08.888273Z"}],"ghsa":[{"id":"GHSA-95x3-j4xq-37g5","title":"Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers...","description":"Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified vector. As a result, the device settings may be altered and/or telnet daemon may be started.","status":"published","published":"2022-05-24T17:42:05Z","modified":"2023-01-29T05:05:41Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:45:51.307262Z"}],"nvd":[{"id":"CVE-2021-20647","description":"Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified vector. As a result, the device settings may be altered and/or telnet daemon may be started.","status":"published","published":"2021-02-12T07:15:15.263Z","modified":"2026-06-17T03:34:10.9Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:06:50.031227Z"}]}}