{"id":"CVE-2020-6638","aliases":["EUVD-2022-3074","GHSA-7w6p-rwhg-7h3g"],"status":"published","title":"Grin Insufficient Validation","description":"Grin through 2.1.1 has Insufficient Validation.","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":0.01324,"percentile":0.71139,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2020-01-21T19:40:36Z","modified":"2026-10-20T10:53:29Z","fixes":[{"ecosystem":"crates.io","package":"grin","fixed_in":["3.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"grin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"grin","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.0.0"}]}]}],"products":[{"vendor":"grin","product":"grin"}],"references":[{"url":"https://github.com/mimblewimble/grin/compare/v2.1.1...v3.0.0","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-6638.md","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Technical Description","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6638","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7w6p-rwhg-7h3g"}],"sources":{"cve":[{"id":"CVE-2020-6638","description":"Grin through 2.1.1 has Insufficient Validation.","status":"published","published":"2020-01-21T19:40:36Z","modified":"2024-08-04T09:11:04.601Z","updated_at":"2026-11-02T14:35:52.592504Z"}],"euvd":[{"id":"EUVD-2022-3074","description":"Grin through 2.1.1 has Insufficient Validation.","status":"published","published":"2020-01-21T19:40:36Z","modified":"2024-08-04T09:11:04Z","updated_at":"2026-11-03T03:08:02.022514Z"}],"ghsa":[{"id":"GHSA-7w6p-rwhg-7h3g","title":"Grin Insufficient Validation","description":"Grin through 2.1.1 has Insufficient Validation.","status":"published","published":"2022-05-24T17:07:02Z","modified":"2024-02-01T21:24:15Z","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-20"],"updated_at":"2026-11-02T14:37:34.405364Z"}],"nvd":[{"id":"CVE-2020-6638","description":"Grin through 2.1.1 has Insufficient Validation.","status":"published","published":"2020-01-21T20:15:14.387Z","modified":"2026-06-17T03:23:42.617Z","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-20"],"updated_at":"2026-11-02T14:05:52.385274Z"}],"osv":[{"id":"CVE-2020-6638","description":"Grin through 2.1.1 has Insufficient Validation.","status":"published","published":"2020-01-21T20:15:14.387Z","modified":"2026-10-20T10:53:29.542417041Z","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":"2026-11-02T15:44:17.34531Z"},{"id":"GHSA-7w6p-rwhg-7h3g","title":"Grin Insufficient Validation","description":"Grin through 2.1.1 has Insufficient Validation.","status":"published","published":"2022-05-24T17:07:02Z","modified":"2024-02-01T21:42:21.787591Z","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-20"],"updated_at":"2026-11-02T15:46:41.349637Z"}]}}