{ "schema_version": "1.4.0", "id": "GHSA-wmmr-frfj-gmmw", "modified": "2025-03-26T21:30:44Z", "published": "2023-02-06T15:30:24Z", "aliases": [ "CVE-2021-36226" ], "details": "Western Digital My Cloud devices before OS5 do not use cryptographically signed Firmware upgrade files.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-36226" }, { "type": "WEB", "url": "https://github.com/pedrib/PoC/blob/master/advisories/Pwn2Own/Tokyo_2020/weekend_destroyer/weekend_destroyer.md" }, { "type": "WEB", "url": "https://krebsonsecurity.com/2021/07/another-0-day-looms-for-many-western-digital-users" }, { "type": "WEB", "url": "https://www.youtube.com/watch?v=vsg9YgvGBec" } ], "database_specific": { "cwe_ids": [ "CWE-347" ], "severity": "CRITICAL", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2023-02-06T14:15:00Z" } }