{"id":"CVE-2021-46750","aliases":["EUVD-2021-33406","GHSA-fhx8-g6j7-6crx"],"status":"published","title":"Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a...","description":"Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.","severity":{"version":"3.1","score":3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00157,"percentile":0.04908,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2025-09-06T16:03:55Z","modified":"2026-06-17T04:15:26Z","products":[{"vendor":"amd","product":"amd athlon™ 3000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd radeon™ pro v620 graphics products"},{"vendor":"amd","product":"amd radeon™ pro w6000 series graphics products"},{"vendor":"amd","product":"amd radeon™ rx 6000 series graphics products"},{"vendor":"amd","product":"amd ryzen™ 3000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 4000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 4000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 5000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 6000 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7030 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7035 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ embedded r1000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded r2000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v1000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v2000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v3000 series"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46750"},{"url":"https://github.com/advisories/GHSA-fhx8-g6j7-6crx"}],"sources":{"cve":[{"id":"CVE-2021-46750","description":"Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.","status":"published","published":"2025-09-06T16:03:55.584Z","modified":"2025-09-08T13:45:05.234Z","cvss":[{"version":"3.1","score":3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-33406","description":"Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.","status":"published","published":"2025-09-06T16:03:55Z","modified":"2025-09-08T13:45:05Z","cvss":[{"version":"3.1","score":3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T20:31:46.507509Z"}],"ghsa":[{"id":"GHSA-fhx8-g6j7-6crx","title":"Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a...","description":"Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.","status":"published","published":"2025-09-06T18:30:32Z","modified":"2025-09-06T18:30:32Z","cvss":[{"version":"3.1","score":3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:03:31.573808Z"}],"nvd":[{"id":"CVE-2021-46750","description":"Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.","status":"published","published":"2025-09-06T16:15:30.783Z","modified":"2026-06-17T04:15:26.403Z","cvss":[{"version":"3.1","score":3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}