{ "schema_version": "1.4.0", "id": "GHSA-c8v2-crvq-95rh", "modified": "2022-10-26T12:00:31Z", "published": "2022-05-24T19:05:17Z", "aliases": [ "CVE-2021-21554" ], "details": "Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and, Dell Precision 7920 Rack Workstation BIOS contain a stack-based buffer overflow vulnerability in systems with Intel Optane DC Persistent Memory installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21554" }, { "type": "WEB", "url": "https://www.dell.com/support/kbdoc/000187958" } ], "database_specific": { "cwe_ids": [ "CWE-787" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-06-14T19:15:00Z" } }