{"id":"CVE-2021-20620","aliases":["EUVD-2021-8038","GHSA-mhmg-wv9c-8hpm"],"status":"published","title":"Cross-site scripting vulnerability in Aterm WF800HP firmware Ver1.0.9 and earlier allows remote...","description":"Cross-site scripting vulnerability in Aterm WF800HP firmware Ver1.0.9 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01057,"percentile":0.64872,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-01-28T10:00:28Z","modified":"2026-06-17T03:34:08Z","products":[{"vendor":"aterm","product":"wg2600hp_firmware"},{"vendor":"nec corporation","product":"aterm wf800hp"}],"references":[{"url":"https://www.aterm.jp/support/tech/2019/0328.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://jpn.nec.com/security-info/secinfo/nv21-005.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://jvn.jp/en/jp/JVN38248512/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20620"},{"url":"https://github.com/advisories/GHSA-mhmg-wv9c-8hpm"}],"sources":{"cve":[{"id":"CVE-2021-20620","description":"Cross-site scripting vulnerability in Aterm WF800HP firmware Ver1.0.9 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.","status":"published","published":"2021-01-28T10:00:28Z","modified":"2024-08-03T17:45:44.757Z","updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2021-8038","description":"Cross-site scripting vulnerability in Aterm WF800HP firmware Ver1.0.9 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.","status":"published","published":"2021-01-28T10:00:28Z","modified":"2024-08-03T17:45:44Z","updated_at":"2026-11-03T03:25:08.888273Z"}],"ghsa":[{"id":"GHSA-mhmg-wv9c-8hpm","title":"Cross-site scripting vulnerability in Aterm WF800HP firmware Ver1.0.9 and earlier allows remote...","description":"Cross-site scripting vulnerability in Aterm WF800HP firmware Ver1.0.9 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.","status":"published","published":"2022-05-24T17:40:31Z","modified":"2023-01-29T05:05:32Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:48.864861Z"}],"nvd":[{"id":"CVE-2021-20620","description":"Cross-site scripting vulnerability in Aterm WF800HP firmware Ver1.0.9 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.","status":"published","published":"2021-01-28T11:15:13.73Z","modified":"2026-06-17T03:34:08.12Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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-79"],"updated_at":"2026-11-02T14:06:49.660551Z"}]}}