{"id":"CVE-2021-23371","aliases":["EUVD-2021-1106","GHSA-hpmr-g4pq-jhgp","ROOT-APP-NPM-CVE-2021-23371","SNYK-JS-CHRONONODE-1083228"],"status":"published","title":"Regular Expression Denial of Service (ReDoS)","description":"This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.","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":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01987,"percentile":0.80877,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2021-04-12T13:10:15Z","modified":"2026-11-06T10:15:03Z","fixes":[{"ecosystem":"npm","package":"chrono-node","fixed_in":["2.2.4"],"sources":["ghsa","osv"]},{"ecosystem":"Root:npm","package":"chrono-node","fixed_in":["1.4.8-aikido.1"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"@rootio/chrono-node","fixed_in":["1.4.8-root.io.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"chrono-node","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.4"}]}]},{"source":"osv","ecosystem":"npm","package":"chrono-node","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.2.4"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"chrono-node","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.8-aikido.1"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"@rootio/chrono-node","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.8-root.io.1"}]}]}],"products":[{"vendor":"chrono-node_project","product":"chrono-node"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-CHRONONODE-1083228","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/wanasit/chrono/issues/382","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/wanasit/chrono/commit/98815b57622443b5c498a427210ebd603d705f4c","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23371","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hpmr-g4pq-jhgp"}],"sources":{"cve":[{"id":"CVE-2021-23371","title":"Regular Expression Denial of Service (ReDoS)","description":"This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.","status":"published","published":"2021-04-12T13:10:15.866Z","modified":"2024-09-16T16:48:45.091Z","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":"cna"}],"updated_at":"2026-11-02T14:33:00.488332Z"}],"euvd":[{"id":"EUVD-2021-1106","description":"This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.","status":"published","published":"2021-04-12T13:10:15Z","modified":"2024-09-16T16:48:45Z","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":"2026-11-03T00:55:48.234114Z"}],"ghsa":[{"id":"GHSA-hpmr-g4pq-jhgp","title":"Denial of service in chrono-node","description":"This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.","status":"published","published":"2021-05-06T15:58:05Z","modified":"2023-02-01T05:05:25Z","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"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:36:34.260786Z"}],"nvd":[{"id":"CVE-2021-23371","description":"This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.","status":"published","published":"2021-04-12T13:15:13.303Z","modified":"2026-06-17T03:38:38.43Z","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":"secondary"},{"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"}],"updated_at":"2026-11-02T14:06:51.610648Z"}],"osv":[{"id":"CVE-2021-23371","description":"This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.","status":"published","published":"2021-04-12T13:15:13.303Z","modified":"2026-10-20T10:53:37.628127915Z","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":"2026-11-02T15:44:18.367807Z"},{"id":"GHSA-hpmr-g4pq-jhgp","title":"Denial of service in chrono-node","description":"This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.","status":"published","published":"2021-05-06T15:58:05Z","modified":"2026-07-08T06:49:30.506047481Z","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"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:49.28217Z"},{"id":"ROOT-APP-NPM-CVE-2021-23371","title":"CVE-2021-23371 in chrono-node - Patched by Root","description":"Root has patched CVE-2021-23371 in the chrono-node package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-11-06T09:21:43Z","modified":"2026-11-06T10:15:03.018559915Z","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":"2026-11-06T10:38:22.758306Z"}]}}