{"id":"CVE-2023-4857","aliases":["EUVD-2023-54697","GHSA-877w-cfhh-j9x8"],"status":"published","title":"An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an...","description":"An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0053,"percentile":0.45138,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2024-04-15T18:00:03Z","modified":"2026-06-17T06:38:45Z","products":[{"vendor":"lenovo","product":"fan_power_controller"},{"vendor":"lenovo","product":"smm, smm2, fpc"},{"vendor":"lenovo","product":"system_management_module_firmware"}],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-140420","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4857"},{"url":"https://github.com/advisories/GHSA-877w-cfhh-j9x8"}],"sources":{"cve":[{"id":"CVE-2023-4857","description":"\nAn authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.\n\n","status":"published","published":"2024-04-15T18:00:03.66Z","modified":"2024-08-02T07:38:00.772Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54697","description":"\nAn authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.\n\n","status":"published","published":"2024-04-15T18:00:03Z","modified":"2024-08-02T07:38:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T03:50:12.183917Z"}],"ghsa":[{"id":"GHSA-877w-cfhh-j9x8","title":"\nAn authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an...","description":"\nAn authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.\n\n","status":"published","published":"2024-04-15T18:30:51Z","modified":"2024-04-15T18:31:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:57:12.929787Z"}],"nvd":[{"id":"CVE-2023-4857","description":"\nAn authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.\n\n","status":"published","published":"2024-04-15T18:15:09.64Z","modified":"2026-06-17T06:38:45.82Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:09:11.362739Z"}]}}