{"cve":"CVE-2020-6638","nvd":{"published":"2020-01-21T20:15:14.387","modified":"2026-06-17T03:23:42.617","status":"Modified","description":"Grin through 2.1.1 has Insufficient Validation.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"references":["https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-6638.md","https://github.com/mimblewimble/grin/compare/v2.1.1...v3.0.0","https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-6638.md","https://github.com/mimblewimble/grin/compare/v2.1.1...v3.0.0"],"products":["grin:grin"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2020-6638","score":0.01324,"percentile":0.70937,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7w6p-rwhg-7h3g","url":"https://osv.dev/vulnerability/GHSA-7w6p-rwhg-7h3g","summary":"Grin Insufficient Validation","modified":"2024-02-01T21:42:21.787591Z","packages":[{"ecosystem":"crates.io","name":"grin","purl":"pkg:cargo/grin","ranges":["<3.0.0"],"fixed":["3.0.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}