{"id":"CVE-2021-26397","aliases":["EUVD-2021-13203","GHSA-9xw2-mpxf-37x2"],"status":"published","title":"Insufficient address validation, may allow an\nattacker with a compromised ABL and UApp to corrupt...","description":"Insufficient address validation, may allow an\nattacker with a compromised ABL and UApp to corrupt sensitive memory locations\npotentially resulting in a loss of integrity or availability.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00176,"percentile":0.07116,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-05-09T18:36:19Z","modified":"2026-06-17T03:43:19Z","products":[{"vendor":"amd","product":"3rd gen amd epyc™"},{"vendor":"amd","product":"epyc_72f3_firmware"},{"vendor":"amd","product":"epyc_7313_firmware"},{"vendor":"amd","product":"epyc_7313p_firmware"},{"vendor":"amd","product":"epyc_7343_firmware"},{"vendor":"amd","product":"epyc_7373x_firmware"},{"vendor":"amd","product":"epyc_73f3_firmware"},{"vendor":"amd","product":"epyc_7413_firmware"},{"vendor":"amd","product":"epyc_7443_firmware"},{"vendor":"amd","product":"epyc_7443p_firmware"},{"vendor":"amd","product":"epyc_7453_firmware"},{"vendor":"amd","product":"epyc_7473x_firmware"},{"vendor":"amd","product":"epyc_74f3_firmware"},{"vendor":"amd","product":"epyc_7513_firmware"},{"vendor":"amd","product":"epyc_7543_firmware"},{"vendor":"amd","product":"epyc_7543p_firmware"},{"vendor":"amd","product":"epyc_7573x_firmware"},{"vendor":"amd","product":"epyc_75f3_firmware"},{"vendor":"amd","product":"epyc_7643_firmware"},{"vendor":"amd","product":"epyc_7663_firmware"},{"vendor":"amd","product":"epyc_7713_firmware"},{"vendor":"amd","product":"epyc_7713p_firmware"},{"vendor":"amd","product":"epyc_7763_firmware"},{"vendor":"amd","product":"epyc_7773x_firmware"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26397"},{"url":"https://github.com/advisories/GHSA-9xw2-mpxf-37x2"}],"sources":{"cve":[{"id":"CVE-2021-26397","description":"Insufficient address validation, may allow an\nattacker with a compromised ABL and UApp to corrupt sensitive memory locations\npotentially resulting in a loss of integrity or availability.\n\n\n\n\n\n\n\n","status":"published","published":"2023-05-09T18:36:19.135Z","modified":"2025-01-28T16:01:49.226Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13203","description":"Insufficient address validation, may allow an\nattacker with a compromised ABL and UApp to corrupt sensitive memory locations\npotentially resulting in a loss of integrity or availability.\n\n\n\n\n\n\n\n","status":"published","published":"2023-05-09T18:36:19Z","modified":"2025-01-28T16:01:49Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:11.814906Z"}],"ghsa":[{"id":"GHSA-9xw2-mpxf-37x2","title":"Insufficient address validation, may allow an\nattacker with a compromised ABL and UApp to corrupt...","description":"Insufficient address validation, may allow an\nattacker with a compromised ABL and UApp to corrupt sensitive memory locations\npotentially resulting in a loss of integrity or availability.\n\n\n\n\n\n\n\n","status":"published","published":"2023-05-09T21:30:22Z","modified":"2024-04-04T03:57:16Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:56:20.113325Z"}],"nvd":[{"id":"CVE-2021-26397","description":"Insufficient address validation, may allow an\nattacker with a compromised ABL and UApp to corrupt sensitive memory locations\npotentially resulting in a loss of integrity or availability.\n\n\n\n\n\n\n\n","status":"published","published":"2023-05-09T19:15:10.903Z","modified":"2026-06-17T03:43:19.197Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}