{"cve":"CVE-2021-46772","nvd":{"published":"2024-08-13T17:15:17.993","modified":"2026-06-17T04:15:31.320","status":"Deferred","description":"Insufficient input validation in the ABL may allow a privileged\nattacker with access to the BIOS menu or UEFI shell to tamper with the\nstructure headers in SPI ROM causing an out of bounds memory read and write,\npotentially resulting in memory corruption or denial of service.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L","score":3.9},"cwes":["CWE-125","CWE-787"],"references":["https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html","https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html","https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html"],"products":[],"source":"nvd","synced_at":"2026-10-19T21:53:51.317825789+00:00"},"epss":{"cve":"CVE-2021-46772","score":0.00181,"percentile":0.07691,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}