{"id":"CVE-2021-26390","aliases":["EUVD-2021-13196","GHSA-rrm7-mqj7-wfrw"],"status":"published","title":"A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory...","description":"A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data.","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00239,"percentile":0.15159,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-05-10T18:24:25Z","modified":"2026-06-17T03:43:18Z","products":[{"vendor":"amd","product":"athlon_300u_firmware"},{"vendor":"amd","product":"athlon™ 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series"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26390"},{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021"},{"url":"https://github.com/advisories/GHSA-rrm7-mqj7-wfrw"}],"sources":{"cve":[{"id":"CVE-2021-26390","description":"A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data.","status":"published","published":"2022-05-10T18:24:25.459Z","modified":"2024-09-16T23:11:12.188Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13196","description":"A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data.","status":"published","published":"2022-05-10T18:24:25Z","modified":"2024-09-16T23:11:12Z","updated_at":"2026-11-03T00:54:55.705637Z"}],"ghsa":[{"id":"GHSA-rrm7-mqj7-wfrw","title":"A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory...","description":"A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data.","status":"published","published":"2022-05-11T00:01:17Z","modified":"2023-02-01T05:02:09Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T14:49:51.819251Z"}],"nvd":[{"id":"CVE-2021-26390","description":"A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data.","status":"published","published":"2022-05-10T19:15:08.87Z","modified":"2026-06-17T03:43:18.337Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:C/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:06.029737Z"}]}}