{"id":"CVE-2020-6638","aliases":["GHSA-7w6p-rwhg-7h3g"],"url":"https://o3.security/vulnerability/CVE-2020-6638","summary":"Grin Insufficient Validation","details":"Grin through 2.1.1 has Insufficient Validation.","published":"2020-01-21T20:15:14.387Z","modified":"2026-07-09T00:22:07.085531Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.01324,"percentile":0.68325,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"crates.io","name":"grin","fixedVersion":"3.0.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/mimblewimble/grin/compare/v2.1.1...v3.0.0"},{"type":"FIX","url":"https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-6638.md"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:22:07.085531Z"}}