{"id":"CVE-2021-20784","aliases":["EUVD-2021-8196","GHSA-vxfp-88g2-6m62"],"status":"published","title":"HTTP header injection vulnerability in Everything all versions except the Lite version may allow...","description":"HTTP header injection vulnerability in Everything version 1.0, 1.1, and 1.2 except the Lite version may allow a remote attacker to inject an arbitrary script or alter the website that uses the product.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01118,"percentile":0.66531,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-644"],"published":"2021-07-14T01:20:29Z","modified":"2026-06-17T03:34:26Z","products":[{"vendor":"voidtools","product":"everything"}],"references":[{"url":"https://www.voidtools.com/downloads/","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://www.voidtools.com/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN68971465/"},{"url":"https://jvn.jp/en/jp/JVN68971465/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20784"},{"url":"https://jvn.jp/en/jp/JVN68971465"},{"url":"https://www.voidtools.com"},{"url":"https://www.voidtools.com/downloads"},{"url":"https://github.com/advisories/GHSA-vxfp-88g2-6m62"}],"sources":{"cve":[{"id":"CVE-2021-20784","description":"HTTP header injection vulnerability in Everything version 1.0, 1.1, and 1.2 except the Lite version may allow a remote attacker to inject an arbitrary script or alter the website that uses the product.","status":"published","published":"2021-07-14T01:20:29Z","modified":"2024-12-03T01:14:05.653Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-644"],"updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8196","description":"HTTP header injection vulnerability in Everything version 1.0, 1.1, and 1.2 except the Lite version may allow a remote attacker to inject an arbitrary script or alter the website that uses the product.","status":"published","published":"2021-07-14T01:20:29Z","modified":"2024-12-03T01:14:05Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:42.699051Z"}],"ghsa":[{"id":"GHSA-vxfp-88g2-6m62","title":"HTTP header injection vulnerability in Everything all versions except the Lite version may allow...","description":"HTTP header injection vulnerability in Everything all versions except the Lite version may allow a remote attacker to inject an arbitrary script or alter the website that uses the product via unspecified vectors.","status":"published","published":"2022-05-24T19:08:04Z","modified":"2024-12-03T03:32:28Z","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"}],"cwes":["CWE-644"],"updated_at":"2026-11-02T14:59:01.57352Z"}],"nvd":[{"id":"CVE-2021-20784","description":"HTTP header injection vulnerability in Everything version 1.0, 1.1, and 1.2 except the Lite version may allow a remote attacker to inject an arbitrary script or alter the website that uses the product.","status":"published","published":"2021-07-14T02:15:07.577Z","modified":"2026-06-17T03:34:26.86Z","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":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-644"],"updated_at":"2026-11-02T14:06:55.747384Z"}]}}