{"id":"CVE-2020-15899","aliases":["EUVD-2022-4702","GHSA-p75g-gcv5-42qg"],"status":"published","title":"Grin insufficient data validation","description":"Grin 3.0.0 before 4.0.0 has insufficient validation of data related to Mimblewimble.","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":"2026-11-09","score":0.00754,"percentile":0.55367,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-345"],"published":"2020-07-28T16:31:58Z","modified":"2026-10-20T10:51:57Z","fixes":[{"ecosystem":"crates.io","package":"grin","fixed_in":["4.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"grin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"4.0.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"grin","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"4.0.0"}]}]}],"products":[{"vendor":"grin","product":"grin"}],"references":[{"url":"https://github.com/mimblewimble/grin/compare/v3.1.1...v4.0.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-15899.md","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15899","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p75g-gcv5-42qg"}],"sources":{"cve":[{"id":"CVE-2020-15899","description":"Grin 3.0.0 before 4.0.0 has insufficient validation of data related to Mimblewimble.","status":"published","published":"2020-07-28T16:31:58Z","modified":"2024-08-04T13:30:23.314Z","updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2022-4702","description":"Grin 3.0.0 before 4.0.0 has insufficient validation of data related to Mimblewimble.","status":"published","published":"2020-07-28T16:31:58Z","modified":"2024-08-04T13:30:23Z","updated_at":"2026-11-03T03:07:29.271552Z"}],"ghsa":[{"id":"GHSA-p75g-gcv5-42qg","title":"Grin insufficient data validation","description":"Grin 3.0.0 before 4.0.0 has insufficient validation of data related to Mimblewimble.","status":"published","published":"2022-05-24T17:24:33Z","modified":"2024-02-01T21:47:53Z","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-345"],"updated_at":"2026-11-02T14:37:34.405364Z"}],"nvd":[{"id":"CVE-2020-15899","description":"Grin 3.0.0 before 4.0.0 has insufficient validation of data related to Mimblewimble.","status":"published","published":"2020-07-28T18:15:20.787Z","modified":"2026-06-17T02:57:22.327Z","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-345"],"updated_at":"2026-11-02T14:06:10.994748Z"}],"osv":[{"id":"CVE-2020-15899","description":"Grin 3.0.0 before 4.0.0 has insufficient validation of data related to Mimblewimble.","status":"published","published":"2020-07-28T18:15:20.787Z","modified":"2026-10-20T10:51:57.495082555Z","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":"2026-11-02T15:44:14.828228Z"},{"id":"GHSA-p75g-gcv5-42qg","title":"Grin insufficient data validation","description":"Grin 3.0.0 before 4.0.0 has insufficient validation of data related to Mimblewimble.","status":"published","published":"2022-05-24T17:24:33Z","modified":"2024-02-01T22:13:58.789564Z","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-345"],"updated_at":"2026-11-02T15:46:52.891208Z"}]}}