{"id":"CVE-2023-22614","aliases":["EUVD-2023-26750","GHSA-7x7c-2rvc-69fh"],"status":"published","title":"An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There...","description":"An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00378,"percentile":0.32165,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-04-11T00:00:00Z","modified":"2026-06-17T05:35:44Z","products":[{"vendor":"insyde","product":"insydeh2o"}],"references":[{"url":"https://www.insyde.com/security-pledge","tags":["x_transferred","Vendor Advisory"]},{"url":"https://www.insyde.com/security-pledge/SA-2023020","tags":["x_transferred","Vendor Advisory"]},{"url":"https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22614"},{"url":"https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode"},{"url":"https://github.com/advisories/GHSA-7x7c-2rvc-69fh"}],"sources":{"cve":[{"id":"CVE-2023-22614","description":"An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.","status":"published","published":"2023-04-11T00:00:00Z","modified":"2025-02-11T20:09:44.234Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:16.126506Z"}],"euvd":[{"id":"EUVD-2023-26750","description":"An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.","status":"published","published":"2023-04-11T00:00:00Z","modified":"2025-02-11T20:09:44Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:03:58.784175Z"}],"ghsa":[{"id":"GHSA-7x7c-2rvc-69fh","title":"An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There...","description":"An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.","status":"published","published":"2023-04-11T21:31:02Z","modified":"2024-04-04T03:24:57Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:14.876837Z"}],"nvd":[{"id":"CVE-2023-22614","description":"An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.","status":"published","published":"2023-04-11T21:15:17.68Z","modified":"2026-06-17T05:35:44.103Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:55.652109Z"}]}}