{"id":"CVE-2023-39283","aliases":["EUVD-2023-43015","GHSA-hq2f-86fm-7823"],"status":"published","title":"An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in...","description":"An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00206,"percentile":0.10683,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-11-02T00:00:00Z","modified":"2026-06-17T06:11:56Z","products":[{"vendor":"insyde","product":"insydeh20"},{"vendor":"insyde","product":"insydeh2o"}],"references":[{"url":"https://www.insyde.com/security-pledge","tags":["x_transferred","Not Applicable"]},{"url":"https://www.insyde.com/security-pledge/SA-2023055","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39283"},{"url":"https://github.com/advisories/GHSA-hq2f-86fm-7823"}],"sources":{"cve":[{"id":"CVE-2023-39283","description":"An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.","status":"published","published":"2023-11-02T00:00:00Z","modified":"2024-09-05T15:24:35.544Z","updated_at":"2026-11-02T14:35:33.138994Z"}],"euvd":[{"id":"EUVD-2023-43015","description":"An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.","status":"published","published":"2023-11-02T00:00:00Z","modified":"2024-09-05T15:24:35Z","updated_at":"2026-11-03T00:56:03.195853Z"}],"ghsa":[{"id":"GHSA-hq2f-86fm-7823","title":"An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in...","description":"An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.","status":"published","published":"2023-11-03T00:30:26Z","modified":"2023-11-19T05:03:42Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:55:04.479575Z"}],"nvd":[{"id":"CVE-2023-39283","description":"An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.","status":"published","published":"2023-11-02T22:15:09.07Z","modified":"2026-06-17T06:11:56.733Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:41.047232Z"}]}}