{"id":"CVE-2021-40898","aliases":["EUVD-2021-28053","GHSA-fccx-p5v4-w497"],"status":"published","title":"A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in scaffold-helper v1...","description":"A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in scaffold-helper v1.2.0 when copying crafted invalid files.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01054,"percentile":0.64814,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1333"],"published":"2022-06-27T10:34:17Z","modified":"2026-06-17T04:07:36Z","products":[{"vendor":"scaffold-helper_project","product":"scaffold-helper"}],"references":[{"url":"https://github.com/yetingli/SaveResults/blob/main/js/scaffold-helper.js","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40898"},{"url":"https://github.com/advisories/GHSA-fccx-p5v4-w497"}],"sources":{"cve":[{"id":"CVE-2021-40898","description":"A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in scaffold-helper v1.2.0 when copying crafted invalid files.","status":"published","published":"2022-06-27T10:34:17Z","modified":"2024-08-04T02:51:07.739Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-28053","description":"A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in scaffold-helper v1.2.0 when copying crafted invalid files.","status":"published","published":"2022-06-27T10:34:17Z","modified":"2024-08-04T02:51:07Z","updated_at":"2026-11-03T03:24:19.692229Z"}],"ghsa":[{"id":"GHSA-fccx-p5v4-w497","title":"A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in scaffold-helper v1...","description":"A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in scaffold-helper v1.2.0 when copying crafted invalid files.","status":"published","published":"2022-06-28T00:01:01Z","modified":"2023-01-27T05:04:36Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:42:29.964757Z"}],"nvd":[{"id":"CVE-2021-40898","description":"A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in scaffold-helper v1.2.0 when copying crafted invalid files.","status":"published","published":"2022-06-27T11:15:08.167Z","modified":"2026-06-17T04:07:36.803Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}