{"id":"CVE-2021-46758","aliases":["EUVD-2021-33414","GHSA-qvg6-x224-c55m"],"status":"published","title":"Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may...","description":"Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00325,"percentile":0.25775,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-11-14T18:54:25Z","modified":"2026-06-17T04:15:28Z","products":[{"vendor":"amd","product":"amd ryzen™ 5000 series processors with radeon™ graphics  “barcelo”"},{"vendor":"amd","product":"amd ryzen™ 6000 series 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4000 series mobile processors with radeon™ graphics “renoir” fp6"},{"vendor":"amd","product":"ryzen™ 5000 series desktop processor with radeon™ graphics  “cezanne”"},{"vendor":"amd","product":"ryzen™ 5000 series mobile processors with radeon™ graphics “cezanne”"},{"vendor":"amd","product":"ryzen™ 5000 series mobile processors with radeon™ graphics “lucienne”"},{"vendor":"amd","product":"ryzen™ 7000 series desktop processors “raphael” xd3"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46758"},{"url":"https://github.com/advisories/GHSA-qvg6-x224-c55m"}],"sources":{"cve":[{"id":"CVE-2021-46758","description":"Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-11-14T18:54:25.467Z","modified":"2024-08-04T05:17:42.665Z","updated_at":"2026-11-02T14:33:02.930115Z"}],"euvd":[{"id":"EUVD-2021-33414","description":"Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-11-14T18:54:25Z","modified":"2024-08-04T05:17:42Z","updated_at":"2026-11-03T03:08:22.448202Z"}],"ghsa":[{"id":"GHSA-qvg6-x224-c55m","title":"Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may...","description":"Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-11-14T21:30:59Z","modified":"2023-12-01T05:05:18Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T14:55:08.006495Z"}],"nvd":[{"id":"CVE-2021-46758","description":"Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-11-14T19:15:10.31Z","modified":"2026-06-17T04:15:28.067Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}