{"id":"CVE-2023-20525","aliases":["EUVD-2023-24704","GHSA-7mc6-225g-xgvw"],"status":"published","title":"Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to...","description":"Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00635,"percentile":0.50927,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2023-01-10T20:57:00Z","modified":"2026-06-17T05:30:15Z","products":[{"vendor":"amd","product":"2nd gen epyc"},{"vendor":"amd","product":"3rd gen epyc"},{"vendor":"amd","product":"epyc_7002_firmware"},{"vendor":"amd","product":"epyc_7003_firmware"},{"vendor":"amd","product":"epyc_7232p_firmware"},{"vendor":"amd","product":"epyc_7252_firmware"},{"vendor":"amd","product":"epyc_7262_firmware"},{"vendor":"amd","product":"epyc_7272_firmware"},{"vendor":"amd","product":"epyc_7282_firmware"},{"vendor":"amd","product":"epyc_72f3_firmware"},{"vendor":"amd","product":"epyc_7302_firmware"},{"vendor":"amd","product":"epyc_7302p_firmware"},{"vendor":"amd","product":"epyc_7313_firmware"},{"vendor":"amd","product":"epyc_7313p_firmware"},{"vendor":"amd","product":"epyc_7343_firmware"},{"vendor":"amd","product":"epyc_7352_firmware"},{"vendor":"amd","product":"epyc_7373x_firmware"},{"vendor":"amd","product":"epyc_73f3_firmware"},{"vendor":"amd","product":"epyc_7402_firmware"},{"vendor":"amd","product":"epyc_7402p_firmware"},{"vendor":"amd","product":"epyc_7413_firmware"},{"vendor":"amd","product":"epyc_7443_firmware"},{"vendor":"amd","product":"epyc_7443p_firmware"},{"vendor":"amd","product":"epyc_7452_firmware"},{"vendor":"amd","product":"epyc_7453_firmware"},{"vendor":"amd","product":"epyc_74f3_firmware"},{"vendor":"amd","product":"epyc_7502_firmware"},{"vendor":"amd","product":"epyc_7502p_firmware"},{"vendor":"amd","product":"epyc_7513_firmware"},{"vendor":"amd","product":"epyc_7532_firmware"},{"vendor":"amd","product":"epyc_7542_firmware"},{"vendor":"amd","product":"epyc_7543_firmware"},{"vendor":"amd","product":"epyc_7543p_firmware"},{"vendor":"amd","product":"epyc_7552_firmware"},{"vendor":"amd","product":"epyc_7573x_firmware"},{"vendor":"amd","product":"epyc_75f3_firmware"},{"vendor":"amd","product":"epyc_7642_firmware"},{"vendor":"amd","product":"epyc_7643_firmware"},{"vendor":"amd","product":"epyc_7662_firmware"},{"vendor":"amd","product":"epyc_7663_firmware"},{"vendor":"amd","product":"epyc_7702_firmware"},{"vendor":"amd","product":"epyc_7702p_firmware"},{"vendor":"amd","product":"epyc_7713_firmware"},{"vendor":"amd","product":"epyc_7713p_firmware"},{"vendor":"amd","product":"epyc_7742_firmware"},{"vendor":"amd","product":"epyc_7743_firmware"},{"vendor":"amd","product":"epyc_7763_firmware"},{"vendor":"amd","product":"epyc_7773x_firmware"},{"vendor":"amd","product":"epyc_7f32_firmware"},{"vendor":"amd","product":"epyc_7f52_firmware"},{"vendor":"amd","product":"epyc_7f72_firmware"},{"vendor":"amd","product":"epyc_7h12_firmware"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20525"},{"url":"https://github.com/advisories/GHSA-7mc6-225g-xgvw"}],"sources":{"cve":[{"id":"CVE-2023-20525","description":"Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service.\n","status":"published","published":"2023-01-10T20:57:00.713Z","modified":"2025-04-07T15:47:21.531Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-24704","description":"Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service.\n","status":"published","published":"2023-01-10T20:57:00Z","modified":"2025-04-07T15:47:21Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:41.59184Z"}],"ghsa":[{"id":"GHSA-7mc6-225g-xgvw","title":"Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to...","description":"Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service.","status":"published","published":"2023-01-11T09:30:30Z","modified":"2023-01-20T18:30:24Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:41:42.013329Z"}],"nvd":[{"id":"CVE-2023-20525","description":"Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service.\n","status":"published","published":"2023-01-11T08:15:13.747Z","modified":"2026-06-17T05:30:15.983Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:45.305824Z"}]}}
