{"id":"CVE-2024-36877","aliases":["EUVD-2024-36231","GHSA-7j43-4jvq-vg4w"],"status":"published","title":"Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards ...","description":"Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's with the following chipsets are affected: Intel 300, Intel 400, Intel 500, Intel 600, Intel 700, AMD 300, AMD 400, AMD 500, AMD 600 and AMD 700.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00682,"percentile":0.52794,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-123"],"published":"2024-08-12T00:00:00Z","modified":"2026-06-17T07:37:15Z","exploits":[{"source":"pocgithub","id":"CERTologists/POC-CVE-2024-36877","title":"CERTologists/POC-CVE-2024-36877","date":"2024-08-17","url":"https://github.com/CERTologists/POC-CVE-2024-36877"},{"source":"pocgithub","id":"jjensn/CVE-2024-36877","title":"jjensn/CVE-2024-36877","date":"2024-08-09","url":"https://github.com/jjensn/CVE-2024-36877"}],"products":[{"vendor":"msi","product":"am4"},{"vendor":"msi","product":"am5"},{"vendor":"msi","product":"intel_300"},{"vendor":"msi","product":"intel_400"},{"vendor":"msi","product":"intel_500"},{"vendor":"msi","product":"intel_600"},{"vendor":"msi","product":"intel_700"}],"references":[{"url":"https://csr.msi.com/global/product-security-advisories"},{"url":"https://jjensn.com/at-home-in-your-firmware/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36877"},{"url":"https://jjensn.com/at-home-in-your-firmware"},{"url":"https://github.com/advisories/GHSA-7j43-4jvq-vg4w"}],"sources":{"cve":[{"id":"CVE-2024-36877","description":"Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's with the following chipsets are affected: Intel 300, Intel 400, Intel 500, Intel 600, Intel 700, AMD 300, AMD 400, AMD 500, AMD 600 and AMD 700.","status":"published","published":"2024-08-12T00:00:00Z","modified":"2025-03-13T19:23:38.979Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-123"],"updated_at":"2026-11-02T14:34:14.649724Z"}],"euvd":[{"id":"EUVD-2024-36231","description":"Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's with the following chipsets are affected: Intel 300, Intel 400, Intel 500, Intel 600, Intel 700, AMD 300, AMD 400, AMD 500, AMD 600 and AMD 700.","status":"published","published":"2024-08-12T00:00:00Z","modified":"2025-03-13T19:23:38Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:53:04.232984Z"}],"ghsa":[{"id":"GHSA-7j43-4jvq-vg4w","title":"Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards ...","description":"Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3.","status":"published","published":"2024-08-12T18:30:47Z","modified":"2024-08-13T21:31:55Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-123"],"updated_at":"2026-11-02T14:57:57.461222Z"}],"nvd":[{"id":"CVE-2024-36877","description":"Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's with the following chipsets are affected: Intel 300, Intel 400, Intel 500, Intel 600, Intel 700, AMD 300, AMD 400, AMD 500, AMD 600 and AMD 700.","status":"published","published":"2024-08-12T16:15:15.3Z","modified":"2026-06-17T07:37:15.567Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-123"],"updated_at":"2026-11-02T14:10:18.563492Z"}]}}