{"id":"CVE-2021-3810","aliases":["EUVD-2021-1971","GHSA-49x3-8228-3w3m"],"status":"published","title":"Inefficient Regular Expression Complexity in cdr/code-server","description":"code-server is vulnerable to Inefficient Regular Expression Complexity","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01262,"percentile":0.69901,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333"],"published":"2021-09-17T06:15:24Z","modified":"2026-10-20T10:54:52Z","fixes":[{"ecosystem":"npm","package":"code-server","fixed_in":["3.12.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"code-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.12.0"}]}]},{"source":"osv","ecosystem":"npm","package":"code-server","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.12.0"}]}]}],"products":[{"vendor":"cdr","product":"cdr/code-server"},{"vendor":"coder","product":"code-server"}],"references":[{"url":"https://huntr.dev/bounties/38888513-30fc-4d8f-805d-34070d60e223","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/cdr/code-server/commit/ca617df135e78833f93c8320cb2d2cf8bba809f5","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3810","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-49x3-8228-3w3m"},{"url":"https://github.com/cdr/code-server","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-3810","title":"Inefficient Regular Expression Complexity in cdr/code-server","description":"code-server is vulnerable to Inefficient Regular Expression Complexity","status":"published","published":"2021-09-17T06:15:24Z","modified":"2024-08-03T17:09:09.471Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-1971","description":"code-server is vulnerable to Inefficient Regular Expression Complexity","status":"published","published":"2021-09-17T06:15:24Z","modified":"2024-08-03T17:09:09Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:11.376657Z"}],"ghsa":[{"id":"GHSA-49x3-8228-3w3m","title":"Inefficient Regular Expression Complexity in code-server","description":"code-server is vulnerable to Inefficient Regular Expression Complexity","status":"published","published":"2021-09-20T20:18:39Z","modified":"2023-02-01T05:06:06Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:36:37.441118Z"}],"nvd":[{"id":"CVE-2021-3810","description":"code-server is vulnerable to Inefficient Regular Expression Complexity","status":"published","published":"2021-09-17T07:15:09.333Z","modified":"2026-06-17T04:05:49.063Z","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":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:06:58.933037Z"}],"osv":[{"id":"CVE-2021-3810","description":"code-server is vulnerable to Inefficient Regular Expression Complexity","status":"published","published":"2021-09-17T07:15:09.333Z","modified":"2026-10-20T10:54:52.846216006Z","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":"2026-11-02T15:44:20.843843Z"},{"id":"GHSA-49x3-8228-3w3m","title":"Inefficient Regular Expression Complexity in code-server","description":"code-server is vulnerable to Inefficient Regular Expression Complexity","status":"published","published":"2021-09-20T20:18:39Z","modified":"2026-09-10T03:49:27.30666701Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T15:46:36.782754Z"}]}}