{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"SMM, SMM2, FPC","vendor":"Lenovo","versions":[{"status":"affected","version":"various"}]}],"source":"psirt@lenovo.com"},{"affectedData":[{"cpes":["cpe:2.3:a:lenovo:fan_power_controller:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","product":"fan_power_controller","vendor":"lenovo","versions":[{"lessThan":"fhet62a-3.50","status":"affected","version":"0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:lenovo:system_management_module_firmware:1.24:*:*:*:*:*:*:*"],"defaultStatus":"affected","product":"system_management_module_firmware","vendor":"lenovo","versions":[{"lessThan":"tesm40b-1.27","status":"affected","version":"1.24","versionType":"custom"}]}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"cveTags":[],"descriptions":[{"lang":"en","value":"\nA format string vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute arbitrary commands on a specific API endpoint. \n\n"},{"lang":"es","value":"Se identificó una vulnerabilidad de cadena de formato en SMM/SMM2 y FPC que podría permitir a un usuario autenticado ejecutar comandos arbitrarios en un endpoint API específico."}],"id":"CVE-2023-4856","lastModified":"2026-06-17T06:38:45.703","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"psirt@lenovo.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2023-4856","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2024-04-19T18:08:29.563879Z","version":"2.0.3"}}]},"published":"2024-04-15T18:15:09.457","references":[{"source":"psirt@lenovo.com","url":"https://support.lenovo.com/us/en/product_security/LEN-140420"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://support.lenovo.com/us/en/product_security/LEN-140420"}],"sourceIdentifier":"psirt@lenovo.com","vulnStatus":"Deferred","weaknesses":[{"description":[{"lang":"en","value":"CWE-78"}],"source":"psirt@lenovo.com","type":"Secondary"}]}