{"id":"CVE-2021-26391","aliases":["EUVD-2021-13197","GHSA-cm49-fh74-75ch"],"status":"published","title":"Insufficient verification of multiple header signatures while loading a Trusted Application (TA)...","description":"Insufficient verification of multiple header signatures while loading a Trusted Application (TA) may allow an attacker with privileges to gain code execution in that TA or the OS/kernel.","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":"2026-11-12","score":0.0019,"percentile":0.08695,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2022-11-09T20:44:25Z","modified":"2026-06-17T03:43:18Z","products":[{"vendor":"amd","product":"amd radeon rx 5000 series \u0026 pro w5000 series"},{"vendor":"amd","product":"amd radeon rx 6000 series \u0026 pro w6000 series"},{"vendor":"amd","product":"enterprise_driver"},{"vendor":"amd","product":"radeon_pro_software"},{"vendor":"amd","product":"radeon_rx_vega_56_firmware"},{"vendor":"amd","product":"radeon_rx_vega_64_firmware"},{"vendor":"amd","product":"radeon_software"},{"vendor":"amd","product":"ryzen_3_5300g_firmware"},{"vendor":"amd","product":"ryzen_3_5300ge_firmware"},{"vendor":"amd","product":"ryzen_3_5300u_firmware"},{"vendor":"amd","product":"ryzen_3_5400u_firmware"},{"vendor":"amd","product":"ryzen_5_5500u_firmware"},{"vendor":"amd","product":"ryzen_5_5560u_firmware"},{"vendor":"amd","product":"ryzen_5_5600g_firmware"},{"vendor":"amd","product":"ryzen_5_5600ge_firmware"},{"vendor":"amd","product":"ryzen_5_5600h_firmware"},{"vendor":"amd","product":"ryzen_5_5600hs_firmware"},{"vendor":"amd","product":"ryzen_5_5600u_firmware"},{"vendor":"amd","product":"ryzen_7_5700g_firmware"},{"vendor":"amd","product":"ryzen_7_5700ge_firmware"},{"vendor":"amd","product":"ryzen_7_5700u_firmware"},{"vendor":"amd","product":"ryzen_7_5800h_firmware"},{"vendor":"amd","product":"ryzen_7_5800hs_firmware"},{"vendor":"amd","product":"ryzen_7_5800u_firmware"},{"vendor":"amd","product":"ryzen_9_5900hs_firmware"},{"vendor":"amd","product":"ryzen_9_5900hx_firmware"},{"vendor":"amd","product":"ryzen_9_5980hs_firmware"},{"vendor":"amd","product":"ryzen_9_5980hx_firmware"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1029","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26391"},{"url":"https://github.com/advisories/GHSA-cm49-fh74-75ch"}],"sources":{"cve":[{"id":"CVE-2021-26391","description":"Insufficient verification of multiple header signatures while loading a Trusted Application (TA) may allow an attacker with privileges to gain code execution in that TA or the OS/kernel.","status":"published","published":"2022-11-09T20:44:25.253Z","modified":"2025-05-01T14:19:25.59Z","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-347"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13197","description":"Insufficient verification of multiple header signatures while loading a Trusted Application (TA) may allow an attacker with privileges to gain code execution in that TA or the OS/kernel.","status":"published","published":"2022-11-09T20:44:25Z","modified":"2025-05-01T14:19:25Z","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":"2026-11-02T20:51:57.509565Z"}],"ghsa":[{"id":"GHSA-cm49-fh74-75ch","title":"Insufficient verification of multiple header signatures while loading a Trusted Application (TA)...","description":"Insufficient verification of multiple header signatures while loading a Trusted Application (TA) may allow an attacker with privileges to gain code execution in that TA or the OS/kernel.","status":"published","published":"2022-11-10T12:01:16Z","modified":"2025-05-01T15:31:28Z","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-347"],"updated_at":"2026-11-02T15:02:05.229867Z"}],"nvd":[{"id":"CVE-2021-26391","description":"Insufficient verification of multiple header signatures while loading a Trusted Application (TA) may allow an attacker with privileges to gain code execution in that TA or the OS/kernel.","status":"published","published":"2022-11-09T21:15:12.15Z","modified":"2026-06-17T03:43:18.48Z","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-347"],"updated_at":"2026-11-02T14:07:06.906968Z"}]}}