{"id":"CVE-2021-25912","aliases":["EUVD-2021-0548","GHSA-f5c9-x9j6-87qp"],"status":"published","title":"Prototype pollution in dotty","description":"Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.03481,"percentile":0.89261,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321","CWE-400"],"published":"2021-02-02T18:40:37Z","modified":"2026-10-20T10:53:40Z","fixes":[{"ecosystem":"npm","package":"dotty","fixed_in":["0.1.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"dotty","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.1"}]}]},{"source":"osv","ecosystem":"npm","package":"dotty","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.1.1"}]}]}],"products":[{"vendor":"dotty_project","product":"dotty"}],"references":[{"url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25912","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/deoxxa/dotty/commit/cd997d37917186c131be71501a698803f2b7ebdb","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25912","tags":["advisory"]},{"url":"https://www.npmjs.com/package/dotty","tags":["web"]},{"url":"https://github.com/advisories/GHSA-f5c9-x9j6-87qp"}],"sources":{"cve":[{"id":"CVE-2021-25912","description":"Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-02-02T18:40:37Z","modified":"2024-08-03T20:11:28.443Z","updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-0548","description":"Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-02-02T18:40:37Z","modified":"2024-08-03T20:11:28Z","updated_at":"2026-11-03T03:24:52.420769Z"}],"ghsa":[{"id":"GHSA-f5c9-x9j6-87qp","title":"Prototype pollution in dotty","description":"Prototype pollution vulnerability in 'dotty' before version 0.1.1 allows attackers to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-02-05T20:43:08Z","modified":"2023-08-17T05:02:21Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:37:00.074932Z"}],"nvd":[{"id":"CVE-2021-25912","description":"Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-02-02T19:15:14.55Z","modified":"2026-06-17T03:42:33.98Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:06:49.660551Z"}],"osv":[{"id":"CVE-2021-25912","description":"Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-02-02T19:15:14.55Z","modified":"2026-10-20T10:53:40.269508138Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:18.778776Z"},{"id":"GHSA-f5c9-x9j6-87qp","title":"Prototype pollution in dotty","description":"Prototype pollution vulnerability in 'dotty' before version 0.1.1 allows attackers to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-02-05T20:43:08Z","modified":"2023-11-08T04:05:17.039703Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:46.006631Z"}]}}