{"id":"CVE-2021-26383","aliases":["EUVD-2021-13189","GHSA-89mm-wx6j-wpmg"],"status":"published","title":"Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker...","description":"Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.","severity":{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00174,"percentile":0.06972,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2025-09-05T23:21:25Z","modified":"2026-06-17T03:43:17Z","products":[{"vendor":"amd","product":"amd instinct™ mi210"},{"vendor":"amd","product":"amd instinct™ mi250"},{"vendor":"amd","product":"amd radeon™ pro v520 graphics products"},{"vendor":"amd","product":"amd radeon™ pro v620 graphics products"},{"vendor":"amd","product":"amd radeon™ pro w5000 series graphics products"},{"vendor":"amd","product":"amd radeon™ pro w6000 series graphics products"},{"vendor":"amd","product":"amd radeon™ rx 5000 series graphics products"},{"vendor":"amd","product":"amd radeon™ rx 6000 series graphics products"},{"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 desktop processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 5000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7030 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ embedded v2000 series processors"}],"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-2021-26383"},{"url":"https://github.com/advisories/GHSA-89mm-wx6j-wpmg"}],"sources":{"cve":[{"id":"CVE-2021-26383","description":"Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.","status":"published","published":"2025-09-05T23:21:25.947Z","modified":"2025-09-08T13:49:58.856Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13189","description":"Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.","status":"published","published":"2025-09-05T23:21:25Z","modified":"2025-09-08T13:49:58Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:31:46.507509Z"}],"ghsa":[{"id":"GHSA-89mm-wx6j-wpmg","title":"Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker...","description":"Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.","status":"published","published":"2025-09-06T00:30:24Z","modified":"2025-09-06T00:30:30Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:03:31.03941Z"}],"nvd":[{"id":"CVE-2021-26383","description":"Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.","status":"published","published":"2025-09-06T00:15:33.93Z","modified":"2026-06-17T03:43:17.503Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}