{"id":"CVE-2021-46757","aliases":["EUVD-2021-33413","GHSA-5fqp-6xx2-943w"],"status":"published","title":"Insufficient checking of memory buffer in ASP\nSecure OS may allow an attacker with a malicious TA...","description":"Insufficient checking of memory buffer in ASP\nSecure OS may allow an attacker with a malicious TA to read/write to the ASP\nSecure OS kernel virtual address space potentially leading to privilege\nescalation.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00178,"percentile":0.07422,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2024-02-13T19:23:57Z","modified":"2026-06-17T04:15:27Z","products":[{"vendor":"amd","product":"amd ryzen™ embedded 5000"},{"vendor":"amd","product":"amd ryzen™ embedded v2000"},{"vendor":"amd","product":"ryzen_embedded_5600e_firmware"},{"vendor":"amd","product":"ryzen_embedded_5800e_firmware"},{"vendor":"amd","product":"ryzen_embedded_5900e_firmware"},{"vendor":"amd","product":"ryzen_embedded_5950e_firmware"},{"vendor":"amd","product":"ryzen_embedded_r2312_firmware"},{"vendor":"amd","product":"ryzen_embedded_r2314_firmware"},{"vendor":"amd","product":"ryzen_embedded_v2516_firmware"},{"vendor":"amd","product":"ryzen_embedded_v2546_firmware"},{"vendor":"amd","product":"ryzen_embedded_v2718_firmware"},{"vendor":"amd","product":"ryzen_embedded_v2748_firmware"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46757"},{"url":"https://github.com/advisories/GHSA-5fqp-6xx2-943w"}],"sources":{"cve":[{"id":"CVE-2021-46757","description":"Insufficient checking of memory buffer in ASP\nSecure OS may allow an attacker with a malicious TA to read/write to the ASP\nSecure OS kernel virtual address space potentially leading to privilege\nescalation.","status":"published","published":"2024-02-13T19:23:57.918Z","modified":"2025-05-07T21:08:36.54Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:33:02.930115Z"}],"euvd":[{"id":"EUVD-2021-33413","description":"Insufficient checking of memory buffer in ASP\nSecure OS may allow an attacker with a malicious TA to read/write to the ASP\nSecure OS kernel virtual address space potentially leading to privilege\nescalation.","status":"published","published":"2024-02-13T19:23:57Z","modified":"2025-05-07T21:08:36Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:52.039629Z"}],"ghsa":[{"id":"GHSA-5fqp-6xx2-943w","title":"Insufficient checking of memory buffer in ASP\nSecure OS may allow an attacker with a malicious TA...","description":"Insufficient checking of memory buffer in ASP\nSecure OS may allow an attacker with a malicious TA to read/write to the ASP\nSecure OS kernel virtual address space potentially leading to privilege\nescalation.","status":"published","published":"2024-02-13T21:30:29Z","modified":"2025-05-08T00:32:14Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:02:12.439359Z"}],"nvd":[{"id":"CVE-2021-46757","description":"Insufficient checking of memory buffer in ASP\nSecure OS may allow an attacker with a malicious TA to read/write to the ASP\nSecure OS kernel virtual address space potentially leading to privilege\nescalation.","status":"published","published":"2024-02-13T20:15:50.06Z","modified":"2026-06-17T04:15:27.82Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:07:08.163458Z"}]}}