{"id":"CVE-2021-3794","aliases":["EUVD-2021-2119","GHSA-vvf2-ppj9-pp49"],"status":"published","title":"Inefficient Regular Expression Complexity in vuelidate/vuelidate","description":"vuelidate 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":"2026-11-12","score":0.01222,"percentile":0.69137,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333","CWE-400","CWE-697"],"published":"2021-09-15T12:25:09Z","modified":"2026-10-20T10:54:51Z","fixes":[{"ecosystem":"npm","package":"@vuelidate/validators","fixed_in":["2.0.0-alpha.22"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@vuelidate/validators","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0.0-alpha.21"},{"fixed":"2.0.0-alpha.22"}]}]},{"source":"osv","ecosystem":"npm","package":"@vuelidate/validators","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.0.0-alpha.22"}]}]}],"products":[{"vendor":"vuelidate","product":"vuelidate/vuelidate"},{"vendor":"vuelidate_project","product":"vuelidate"}],"references":[{"url":"https://huntr.dev/bounties/d8201b98-fb91-4c12-a6f7-181b4a20d9b7","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/vuelidate/vuelidate/commit/1f0ca31c30e5032f00dbd14c4791b5ee7928f71d","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3794","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vvf2-ppj9-pp49"},{"url":"https://github.com/vuelidate/vuelidate","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-3794","title":"Inefficient Regular Expression Complexity in vuelidate/vuelidate","description":"vuelidate is vulnerable to Inefficient Regular Expression Complexity","status":"published","published":"2021-09-15T12:25:09Z","modified":"2024-08-03T17:09:08.635Z","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":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-2119","description":"vuelidate is vulnerable to Inefficient Regular Expression Complexity","status":"published","published":"2021-09-15T12:25:09Z","modified":"2024-08-03T17:09:08Z","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":"2026-11-03T03:25:11.953192Z"}],"ghsa":[{"id":"GHSA-vvf2-ppj9-pp49","title":"Inefficient Regular Expression Complexity in vuelidate","description":"vuelidate is a simple, lightweight model-based validation for Vue.js 2.x \u0026 3.0. A ReDoS (regular expression denial of service) flaw was found in the `@vuelidate/validators` package. An attacker that is able to provide crafted input to the url(input) function may cause an application to consume an excessive amount of CPU.","status":"published","published":"2021-09-20T20:42:06Z","modified":"2023-01-30T05:02:48Z","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-400","CWE-697","CWE-1333"],"updated_at":"2026-11-02T14:36:27.500048Z"}],"nvd":[{"id":"CVE-2021-3794","description":"vuelidate is vulnerable to Inefficient Regular Expression Complexity","status":"published","published":"2021-09-15T13:15:08.167Z","modified":"2026-06-17T04:05:46.913Z","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":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:06:58.502206Z"}],"osv":[{"id":"CVE-2021-3794","description":"vuelidate is vulnerable to Inefficient Regular Expression Complexity","status":"published","published":"2021-09-15T13:15:08.167Z","modified":"2026-10-20T10:54:51.321968145Z","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":"2026-11-02T15:44:20.434873Z"},{"id":"GHSA-vvf2-ppj9-pp49","title":"Inefficient Regular Expression Complexity in vuelidate","description":"vuelidate is a simple, lightweight model-based validation for Vue.js 2.x \u0026 3.0. A ReDoS (regular expression denial of service) flaw was found in the `@vuelidate/validators` package. An attacker that is able to provide crafted input to the url(input) function may cause an application to consume an excessive amount of CPU.","status":"published","published":"2021-09-20T20:42:06Z","modified":"2023-11-08T04:06:24.942173Z","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","CWE-400","CWE-697"],"updated_at":"2026-11-02T15:46:57.694388Z"}]}}